Toronto Blue Jays The
Toronto Blue Jays selected Palacios in the fourth round of the
2016 Major League Baseball draft, and he signed for a $438,100
signing bonus. He was assigned to the
Rookie-level Gulf Coast League Blue Jays and appeared in 13 games before being promoted to the
Short Season-A Vancouver Canadians. After 28 games in Vancouver, Palacios was promoted to the
Class-A Lansing Lugnuts, where he finished his 2016 campaign. In 50 total games across three levels, Palacios batted .330 with 18 RBIs. On April 9, 2021, Palacios was promoted to the major leagues for the first time. He made his MLB debut that night as the starting right fielder against the
Los Angeles Angels. Palacios was assigned to Triple-A Buffalo on May 3, 2021. On December 1, 2022, Palacios was sent outright off of the 40-man roster.
Pittsburgh Pirates On December 7, 2022, at the
Winter Meetings, the
Pittsburgh Pirates selected Palacios from the Nationals in the minor league phase of the
Rule 5 draft. He began the 2023 season with the Double-A
Altoona Curve, but was quickly promoted to the Triple-A
Indianapolis Indians. In 21 combined games, he hit .368/.433/.598 with 4 home runs, 22 RBI, and 4 stolen bases. On May 9, 2023, the Pirates selected Palacios' contract. On June 2, Palacios hit his first Major League home run at
PNC Park against the
St. Louis Cardinals. On July 30, he hit a walk-off two-run homer off of
Andrew Vasquez of the
Philadelphia Phillies. In doing so, he became the first player in Pirates history to hit a
walk-off home run on his birthday. In 91 games for the Pirates, Palacios batted .239/.279/.413 with 10 home runs and 40 RBI. Palacios was optioned to Triple-A Indianapolis to begin the 2024 season. In 23 appearances for Pittsburgh, he batted .224/.333/.343 with two home runs, nine RBI, and one stolen base. Palacios was
designated for assignment by the Pirates on March 23, 2025. He cleared waivers and was sent outright to Triple-A Indianapolis on March 29. However, Palacios rejected the assignment and elected free agency two days later.
Chicago White Sox On April 3, 2025, Palacios signed a minor league contract with the
Chicago White Sox. In five games for the Triple-A
Charlotte Knights, he went 3-for-13 (.231) with one RBI. On April 10, the White Sox selected Palacios' contract, adding him to their active roster. In 51 appearances for Chicago, he batted .203/.292/.305 with three home runs and nine RBI. On June 13, Palacios was designated for assignment by the White Sox. He cleared waivers and was sent outright to Triple-A Charlotte on June 15. Palacios elected free agency on October 3.
Staten Island FerryHawks On April 18, 2026, Palacios signed with the
Staten Island FerryHawks of the
Atlantic League of Professional Baseball. ==International career==