Michael Arroyo Michael Arroyo (born November 3, 2004) is a Colombian professional
baseball second baseman and
shortstop in the
Seattle Mariners organization. Arroyo signed with the
Seattle Mariners as an international free agent in January 2022 for $1.375 million, the most for a Colombian that year. He was one of three Mariners international prospects who received signing bonuses of more than $1 million in 2022, along with Lázaro Montes and Martín Gonzalez. Arroyo made his professional debut that year with the
Dominican Summer League Mariners. Arroyo started 2023 with the
Arizona Complex League Mariners before being promoted to the Single-A
Modesto Nuts in mid-June. He started 2024 with Modesto for being promoted to the
Everett AquaSox in late June. In 120 games for the two teams, he hit .285/.400/.409 with 23 home runs and 89 runs batted in. He was named the 98th best prospect in baseball by
MLB.com before the 2025 season. Arroyo played for the
Colombian national team in
2026 World Baseball Classic qualifiers, held in March 2025 in
Tucson, Arizona. He hit a two-run double in Colombia's 8–1 win over
China on March 3. Arroyo had three hits in 10 at-bats with two RBI as Colombia advanced the WBC, going undefeated in qualifiers. Arroyo began the 2025 season with High-A
Everett AquaSox.
Felnin Celesten Felnin Daniel Celesten (born September 15, 2005) is a Dominican professional
baseball shortstop in the
Seattle Mariners organization. His nickname is
El Fénix. Celestin signed with the
Seattle Mariners as an international free agent in January 2023 for $4.7 million. He did not make his professional debut that year due to a hamstring injury he suffered in June. Celestin made his professional debut in on May 4, 2024 with the
Arizona Complex League Mariners. In 32 games, he hit .352 with 3 home runs and 5 stolen bases. He only played once after June 20, and his season ended in early August after he underwent wrist surgery. He was named the 74th best prospect in baseball by
MLB.com before the 2025 season.
Ty Cummings Ty Brendan Cummings (born November 1, 2001) is an American professional
baseball pitcher in the
Seattle Mariners organization. Cummings attended
Corinth Holders High School and played
college baseball at
Campbell University. In 2022, he played
collegiate summer baseball with the
Bourne Braves of the
Cape Cod Baseball League and was named a league all-star. After his junior season, he was selected by the
Seattle Mariners in the seventh round of the
2023 Major League Baseball draft. He signed for $225,000. Cummings made his professional debut in 2024 with the
Everett AquaSox, starting 25 games and going 4-5 with a 4.17 ERA and 124 strikeouts over innings. On October 4, 2024, Cummings was traded to the
Tampa Bay Rays as the
player to be named later in the
Randy Arozarena trade. He was assigned to the
Montgomery Biscuits to open the 2025 season and was named the
Southern League Pitcher of the Week in April. He also appeared in three games for the
Durham Bulls. Over 29 games (20 starts) for the season, Cummings went 8-4 with a 3.29 ERA and 92 strikeouts over 123 innings. On April 24, 2026, the Rays traded Cummings back to the Mariners in exchange for
Casey Legumina. • Campbell Camels bio
Taylor Dollard Taylor Joseph Dollard (born February 17, 1999) is an American professional
baseball pitcher in the
Seattle Mariners organization. Dollard attended
Crespi Carmelite High School in
Encino, Los Angeles,
California. As a junior in 2016, he went 2-4 with a 3.38 ERA over 12 appearances, and as a senior in 2017, he went 2-0 with a 1.43 ERA and 42 strikeouts over innings. He went not drafted in the
2017 Major League Baseball draft and enrolled at
Cal Poly San Luis Obispo to play
college baseball. Dollard made 19 appearance as a freshman at Cal Poly in 2018 and posted a 2.43 ERA. In 2019, his sophomore year, he made 19 relief appearances and went 5-0 with a 2.89 ERA and 48 strikeouts over innings. After the 2019 season, Dollard played
collegiate summer baseball in the
Cape Cod Baseball League with for the
Yarmouth-Dennis Red Sox. He made four starts in 2020 before the season was cancelled due to the
COVID-19 pandemic. Dollard was selected by the
Seattle Mariners in the fifth round of the shortened
2020 Major League Baseball draft with the 137th overall selection. He signed for $406,000. Dollard made his professional debut in 2021 with the
Modesto Nuts and was promoted to the
Everett AquaSox in June. Over 19 games (18 starts) between the two teams, he went 9–4 with a 5.14 ERA and 133 strikeouts over 105 innings. He pitched for the
Arkansas Travelers in 2022. Over 27 starts, he went 16–2 with a 2.25 ERA and 131 strikeouts over 144 innings. He led the minor leagues in wins. Dollard was assigned to the
Tacoma Rainiers to begin the 2023 season. Dollard made only three starts for Tacoma, logging a 7.56 ERA across innings, before he was placed on the injured list with a shoulder impingement on April 26. On June 27, it was announced that Dollard would undergo
labrum surgery and miss the remainder of the season. He did not pitch in 2024.
Domingo Gonzalez Domingo Jose Gonzalez (born September 27, 1999) is a Dominican professional
baseball pitcher for the
Seattle Mariners of
Major League Baseball (MLB). On June 13, 2018, Gonzalez signed with the
Pittsburgh Pirates as an international free agent. He made his professional debut with the
Dominican Summer League Pirates. Gonzalez split the 2019 season between the Low-A
West Virginia Black Bears, rookie-level
Gulf Coast League Pirates, and the DSL Pirates; in 17 appearances (nine starts) for the three affiliates, he accumulated a 7-3 record and 2.09 ERA with 84 strikeouts over 69 innings of work. He did not play in a game in 2020 due to the cancellation of the minor league season because of the
COVID-19 pandemic. González returned to action in 2021, accumulating a 5-5 record and 4.95 ERA with 104 strikeouts across 20 games (14 starts) for the Single-A
Bradenton Marauders and High-A
Greensboro Grasshoppers. In 2022, he made 29 appearances (11 starts) split between Greensboro and the Double-A
Altoona Curve, registering a combined 9-3 record and 4.90 ERA with 103 strikeouts across innings pitched. On December 7, 2022, Gonzalez was selected by the
Atlanta Braves in the minor league phase of the
Rule 5 draft. He spent the 2023 season with the Double-A
Mississippi Braves, posting a 3-5 record and 4.19 ERA with 76 strikeouts and one save in innings pitched across 40 games. Gonzalez split the 2024 campaign between Double–A Mississippi and the Triple–A
Gwinnett Stripers. In 45 appearances split between the two affiliates, he compiled a 4–3 record and 2.91 ERA with 83 strikeouts and 9
saves across innings pitched. On November 2, 2024, the Braves added Gonzalez to their
40-man roster to prevent him from reaching minor league free agency. Gonzalez was optioned to Triple-A Gwinnett to begin the 2025 season, where he logged a 2-1 record and 4.29 ERA with 39 strikeouts over 42 innings of work. Gonzalez was
designated for assignment by the Braves on August 10, 2025. On August 12, 2025, Gonzalez was claimed off waivers by the
Seattle Mariners. Gonzalez was optioned to the Triple-A
Tacoma Rainiers to begin the 2026 season.
Jonny Farmelo {{Infobox baseball biography
Jonathan Thomas Farmelo (born September 9, 2004) is an American professional
baseball outfielder in the
Seattle Mariners organization. Farmelo attended
Westfield High School in
Fairfax County, Virginia. In high school, he had a .385 batting average, seven home runs, and 29 RBIs in 48 career games. As a senior, Farmelo batted .478. Farmelo committed to play
college baseball at the
University of Virginia. Farmelo was selected 29th overall by the
Seattle Mariners in the
2023 Major League Baseball draft. He signed with the Mariners on July 17 for an over-slot bonus of $3.2 million. He joined the
Single-A Modesto Nuts for the 2023 playoffs, playing as an outfielder. He hit .200 in 4 games, with 1 triple and 1 home run. Farmelo returned to Modesto in 2024, but he
tore his ACL in mid-June while trying to catch a pop-up, ending his season. In 46 games before the injury, he hit .264 with 4 home runs and 18 stolen bases. He was named the 96th best prospect in baseball by
MLB.com before the 2025 season.
Teddy McGraw Edward Thomas McGraw (born October 31, 2001) is an American professional
baseball pitcher in the
Seattle Mariners organization. McGraw attended
Oneonta High School in
Oneonta, New York and played
college baseball at
Wake Forest University. In 2021 and 2022, he played
collegiate summer baseball with the
Brewster Whitecaps of the
Cape Cod Baseball League. He underwent
Tommy John Surgery prior to his junior year in 2023 and missed the season. Despite the injury he was selected by the
Seattle Mariners in the third round of the
2023 Major League Baseball draft. McGraw made his professional debut in 2024 with the
Modesto Nuts, but pitched in only four games due to another arm injury. He again missed the start of the 2025 season, and returned to pitch for the
Arizona Complex League Mariners and
Everett AquaSox. McGraw was converted into a relief pitcher prior to the 2026 season.
Michael Morales Michael Paul Morales (born August 13, 2002) is an American professional
baseball pitcher in the
Seattle Mariners organization. Morales attended
East Pennsboro High School in
East Pennsboro Township, Pennsylvania. He was selected by the
Seattle Mariners in the third round of the
2021 Major League Baseball draft. He signed with the Mariners with an overslot $1.5 million signing bonus. Morales made his professional debut in 2021 with the
Arizona Complex League Mariners. He pitched for the
Modesto Nuts in 2022 and 2023. In 2022, he led the Nuts with 125 strikeouts in innings, but had a 5–7 record and 5.91 ERA. He started 2024 with the
Everett Aquasox before being promoted to the
Arkansas Travelers at the beginning of July. Despite the higher competition, he had his best season in the minors, with a 13–2 record and 3.26 ERA in 149 innings.
Robinson Ortiz Robinson Stiward Ortiz is a Dominican professional
baseball pitcher for the
Seattle Mariners of
Major League Baseball (MLB). Ortiz was signed by the
Los Angeles Dodgers as an international free agent on June 2, 2017 and assigned to their
Dominican Summer League affiliate. He was promoted to the
Arizona League Dodgers in 2018 and the
Great Lakes Loons in 2019. On November 16, the Dodgers traded Ortiz to the
Seattle Mariners in exchange for pitcher Tyler Gough. Ortiz was optioned to the Triple-A
Tacoma Rainiers to begin the 2026 season.
Kaden Polcovich Kaden James Polcovich (born February 21, 1999) is an American professional
baseball second baseman in the
Seattle Mariners organization. Polcovich attended
Deer Creek High School in
Edmond, Oklahoma. After his junior year 2016, in which he batted .321 with 26 RBIs, he committed to play
college baseball at the
University of Kentucky. Polcovich was not selected in the
2017 Major League Baseball draft and enrolled at Kentucky. Polcovich was dismissed from the Kentucky baseball team during the first semester of his freshman year after skipping many classes. He did not play for the Wildcats in a game. He left Kentucky and enrolled at
Northwest Florida State College, where he hit .280 with three home runs, 18 RBIs, and 13 stolen bases over 40 games as a freshman in 2018, then batting .273 with 12 home runs and 38 RBIs over 53 games as a sophomore in 2019. After his sophomore year, he played
collegiate summer baseball with the
Chatham Anglers of the
Cape Cod Baseball League and was named a league all-star. He also transferred to
Oklahoma State University. As a junior at Oklahoma State in 2020, he batted .344 with two home runs in 21 games before the season was cancelled due to the
COVID-19 pandemic. He was selected by the
Seattle Mariners in the third round, with the 78th overall pick, of the
2020 Major League Baseball draft. He signed for $575,000. Polcovich made his professional debut in 2021 with the
Everett AquaSox of the
High-A West with whom he batted .271/.415/.505 with ten home runs, 47 RBIs, and 16 stolen bases over 58 games. He was promoted to the
Arkansas Travelers of the
Double-A South in late July, slashing .133/.242/.211 with two home runs, 14 RBIs, and four doubles over 36 games to end the season. He returned to Arkansas for the 2022 season. Over 118 games, he batted .242/.345/.386 with 12 home runs, 60 RBIs, and 18 stolen bases. He repeated in Double-A in 2023 and 2024, not raising his batting average or on-base plus slugging above his 2022 numbers. He did not play in the minors in 2025.
Nick Raposo Nicholas Louis Raposo (born June 3, 1998) is an American professional
baseball catcher in the
Seattle Mariners organization. He is currently a
phantom ballplayer, having spent two days on the
St. Louis Cardinals' active roster without making an appearance. On June 15, 2020, Raposo signed a minor league contract with the
St. Louis Cardinals after he was not selected in the shortened
2020 Major League Baseball draft. Raposo made his professional debut in 2021 with the Double-A
Springfield Cardinals, hitting .267/.368/.362 with one home run and 12 RBI across 42 games. He returned to Springfield the following season, playing in 59 games and batting .270/.345/.461 with seven home runs and 34 RBI. Raposo split the 2023 campaign between Springfield and the Triple-A
Memphis Redbirds. In 40 games between the two teans, he accumulated a .241/.321/.386 batting line with four home runs and 13 RBI. Raposo began the 2024 season with Memphis, hitting .187/.241/.323 with five home runs and 22 RBI in 47 games prior to his call–up. On June 22, 2024, Raposo was selected to the
40-man roster and promoted to the major leagues for the first time following an injury to
Iván Herrera. He did not make an appearance for St. Louis and was optioned down to Memphis on June 24. Raposo was
designated for assignment by the Cardinals on July 29. On August 1, 2024, Raposo was claimed off waivers by the
Toronto Blue Jays. In 20 games for the Triple-A
Buffalo Bisons, he slashed .246/.361/.312 with one home run and five RBI. Raposo was designated for assignment following the signing of
Yimi García on December 13. On December 19, 2024, Raposo was claimed off waivers by the
Seattle Mariners. On January 14, 2025, Raposo was designated for assignment by the Mariners. He cleared waivers and was sent
outright to the Triple-A
Tacoma Rainiers on January 17.
Brock Rodden Brock Rodden (born May 25, 2000) is an American professional
baseball infielder in the
Seattle Mariners organization. Rodden attended Oktaha High School in
Oktaha, Oklahoma and played
college baseball at
Seminole State College and
Wichita State University. As a sophomore at Wichita State in 2022, he batted .338 with 17 home runs and 48 RBI. Rodden was drafted in the 10th round of the
2022 Major League Baseball draft by the
Oakland Athletics but opted not to sign with the team. Returning as a junior at Wichita State in 2023, he played in 55 games and
slashed .371/.474/.677 with 17 home runs and 64 RBI and was named the
American Athletic Conference Player of the Year. In 2022, he played
collegiate summer baseball with the
Orleans Firebirds of the
Cape Cod Baseball League, and returned to the league in 2023 with the
Cotuit Kettleers. Rodden was selected by the
Seattle Mariners in the 5th round of the
2023 Major League Baseball draft. He signed with the team for $200,000. Rodden made his professional debut with the
Arizona Complex League Mariners and
Modesto Nuts, batting .311 with two home runs over 34 games between both teams in 2023. He split the 2024 season between the High-A
Everett AquaSox and Double-A
Arkansas Travelers, hitting .257 with 14 home runs, 64 RBI, and 29 stolen bases over 131 games. Rodden was assigned to Arkansas to begin the 2025 season.
Houston Roth Houston T. Roth (born March 9, 1998) is an American professional
baseball pitcher in the
Seattle Mariners of
Major League Baseball organization. Roth attended
Oxford High School and played
college baseball at the
University of Mississippi. In 2018, he played
collegiate summer baseball with the
Hyannis Harbor Hawks of the
Cape Cod Baseball League. In his junior year at Ole Miss, Roth made four starts with a 1-1 record along with a 3.67 ERA and 47 strikeouts. Roth was selected in the 29th round of the
2019 Major League Baseball draft by the
Baltimore Orioles. Roth made his professional debut with the
Delmarva Shorebirds in 2021 posting an 8-4 record with an 4.54 ERA. He posted similar stats with the
Aberdeen IronBirds in 2022 with a 10-5 record, 4.49 ERA, and 108 strikeouts in 100 innings. On July 29, 2025, the Orioles selected Roth to the major leagues first time in his career. However he would not yet make his MLB debut, and on August 11, the Orioles outrighted him from the 40-man roster. On February 18, 2026, Roth signed a minor-league deal with the
Seattle Mariners. Roth grew up as a fan of the
Houston Astros.
Jared Sundstrom Jared Sundstrom (born June 21, 2001) is an American professional
baseball outfielder in the
Seattle Mariners organization. Sundstrom attended Point Arena High School in
Point Arena, California and played
college baseball at
Santa Rosa Junior College and
UC Santa Barbara. As a junior at UC Santa Barbara in 2023, he played in fifty games and batted .322 with 15 home runs and 43 RBIs and was named to the All-
Big West Conference First Team. After the season, he was selected by the
Seattle Mariners in the tenth round of the
2023 Major League Baseball draft. Sundstrom signed with the team for $165,500. Sundstrom made his professional debut after signing with the
Arizona Complex League Mariners and also played with the
Modesto Nuts, batting .240 with three home runs over 22 games between both teams. He played the 2024 season with the
Everett AquaSox and hit .263 with 13 home runs, 63 RBIs, and 26 stolen bases over 114 games. Following the season's end, he was selected to play in the
Arizona Fall League with the
Peoria Javelinas. Sundstrom was assigned to the
Arkansas Travelers for the 2025 season. Over 115 games, he batted .219 with 12 home runs, 53 RBIs, and 35 stolen bases. • UC Santa Barbara bio ==Full Triple-A to Rookie League rosters==