Toronto Blue Jays Sierra began his professional career in 2006, playing for the
DSL Blue Jays. That year, he hit .253 with 4 home runs, 26 RBIs, and 17 stolen bases in 69 games. He played for the
GCL Blue Jays in 2007, hitting .203 with 5 home runs and 15 RBIs. In 2008, he was with the
Lansing Lugnuts, with whom he hit .246 with 9 home runs, 39 RBIs, and 12 stolen bases. He split 2009 between the
Dunedin Blue Jays and
New Hampshire Fisher Cats, hitting a combined .292 with 6 home runs and 62 RBIs. In 2010, he split the season between the GCL Blue Jays and Dunedin, hitting a combined .211 in 20 games. In 2013, he played for Buffalo in the International League and the Blue Jays in the Gulf League, hitting a combined .262 in 103 games. Sierra was brought up to the
Toronto Blue Jays on July 31, 2012, following the trades of
Travis Snider and
Eric Thames. At the time of his call-up, Sierra was batting .289 with 17 home runs and 63 RBIs in 100 games at Triple-A
Las Vegas Sierra made his debut that night against the
Seattle Mariners, and recorded his first career hit in his first at bat. On August 13, Sierra hit his first career home run, a solo shot off
Chicago White Sox starter
Jake Peavy. In 2012, he batted .224, in 147 at bats. The Blue Jays optioned Sierra to the
Buffalo Bisons on March 3, 2013. Sierra was called up to the Blue Jays on August 21, when
José Bautista was placed on the 15-day disabled list. Sierra started the 2014 season on the Blue Jays' 25-man roster. He was designated for assignment on May 1.
Chicago White Sox On May 3, 2014, Sierra was claimed by the
Chicago White Sox. Sierra found regular time as a reserve outfielder for the White Sox in 2014, hitting .279 with two home runs, before going on the disabled list with a strained oblique on August 16.
Kansas City Royals On October 24, 2014, Sierra was claimed by the
Kansas City Royals. He was designated for assignment and then outrighted to Triple-A on December 16, 2014. He was invited to Spring Training for the 2015 season but did not make the club and was assigned to the
Omaha Storm Chasers. He was released by the Royals on July 22, 2015.
Miami Marlins On December 31, 2015, Sierra signed a minor league contract with the
Miami Marlins. Sierra re–signed with the Marlins on a new minor league contract on November 17, 2016. He spent the 2017 season with the Triple–A
New Orleans Baby Cakes, playing in 123 games and hitting .294/.361/.438 with 11 home runs, 68 RBI, and 18 stolen bases. Sierra elected free agency following the season on November 6, 2017.
Washington Nationals On December 19, 2017, Sierra signed a minor league contract with the
Washington Nationals. He was added to the active roster on April 11, 2018, and he made his first major league start since
2014 on April 14 against the
Colorado Rockies, driving in two runs. After 24 games and 60
plate appearances for the Nationals, in which he went 9-for-54 with two doubles and four RBIs, the Nationals
designated him for assignment on May 20, 2018.
Guerreros de Oaxaca On March 27, 2019, Sierra signed with the
Guerreros de Oaxaca of the
Mexican League. Sierra slashed a stellar .355/.464/.572 with 18 home runs and 84 RBI in 114 games for Oaxaca in 2019.
Chunichi Dragons On December 5, 2019, it was announced that Sierra had signed with the
Chunichi Dragons of
Nippon Professional Baseball League (NPB) on a development contract. On March 26, 2020, Sierra was given a fully rostered deal ahead of the delayed, 2020 season. Sierra made his NPB debut on September 29. On December 2, 2020, he became a free agent.
Tecolotes de los Dos Laredos On March 4, 2021, Sierra signed with the
Tecolotes de los Dos Laredos of the
Mexican League. In 53 games, he slashed .299/.385/.462 with 8 home runs and 30 RBIs. He was released following the season on October 20, 2021.
Wild Health Genomes On February 28, 2022, Sierra signed with the
Wild Health Genomes of the
Atlantic League of Professional Baseball. He appeared in 76 games for the Genomes, slashing .288/.406/.438 with 8 home runs, 47 RBI, and 11 stolen bases. He became a free agent following the season.
Spire City Ghost Hounds On February 20, 2023, Sierra signed with the
Spire City Ghost Hounds of the
Atlantic League of Professional Baseball. In 30 games for the Ghost Hounds, he batted .253/.352/.385 with 2 home runs and 8 RBI. On August 4, Sierra was released by Spire City. ==References==