On July 19, 2012, when he was 17 years of age, he was signed as an international free agent by the Kansas City Royals for $200,000, but the result of his medical exams indicated that he had an elbow injury, so the team gave up signing him and days later negotiated with his agent and reached a $75,000 agreement.[2][3][4] In 2013, Marte was named Dominican Royals Pitcher of the Year in the Dominican Summer League, after going 4–3 with an ERA of 1.71 in 11 appearances covering 47+1⁄3innings.[1][4] Marte spent the 2014 season with the rookie-level Burlington Royals, posting a 4–3 record and 3.44 ERA and 8 hit by pitch (2nd-highest in the league) over 52.1 innings in 11 contests.[5]
In 2015, Marte played for the Single-A Lexington Legends. He recorded a 4–5 record and 6.44 ERA with 60 strikeouts, 38 walks (5.2 walks per 9 innings; 7th-highest in the league), 12 hit by pitch (6th in the league), 14 wild pitches (9th), and a 1.797 WHIP (third-highest in the league) over 65.2 innings in 18 games.[5]
In 2016, for Single-A Lexington, Marte was 6–8 with one save and a 4.21 ERA in 26 games (7 starts), in which he pitched a career-high 107 innings, threw 19 wild pitches (2nd in the South Atlantic League), led the league with 3 balks, walked 55 batters (6th-most in the league, and his 4.6 walks-per-9-innings were 7th-highest in the league), and struck out 103 batters (with his 1.87 strikeouts per walks rate being 10th-lowest in the league).[5] He ranked sixth among South Atlantic League relievers with a batting average against of .225.[1]
In 2017, Marte was a Carolina League mid-season All Star with the High-A Wilmington Blue Rocks.[6] He also made 17 appearances for the Double-A Northwest Arkansas Naturals on the year, in which he was 1–2 while registering a 5.75 ERA with 27 walks (6.8 walks per 9 innings pitched) and 38 strikeouts (9.5 strikeouts per 9 innings pitched) in 36 innings, with a WHIP of 1.667.[5] In 2018 pitching for the Double–A Northwest Arkansas Naturals he was 4–4 with two saves and a 2.91 ERA in 43 relief appearances in which Marte pitched 80+1⁄3 innings and struck out 80 batters.[5]
Marte pitching for the Omaha Storm Chasers in 2019
In 2019, Marte split the year between Northwest Arkansas and the Triple-A Omaha Storm Chasers. In 14 relief appearances between the two teams, he posted a 4.19 ERA with 12 walks (5.6 walks per 9 innings) and 15 strikeouts in 19+1⁄3 innings of work, and a WHIP of 1.552.[5] Marte did not play in a game in 2020 due to the cancellation of the minor league season because of the COVID-19 pandemic.[7] On November 2, 2020, he elected minor league free agency.[3]
San Francisco Giants
On December 9, 2020, Marte signed a minor league contract with the San Francisco Giants organization.[3] In 2021 for the Triple-A Sacramento River Cats, Marte was 0–3 with four saves and a 3.49 ERA in 56.2 innings in which he gave up 23 walks and had 62 strikeouts (9.8 strikeouts per 9 innings) and a 1.465 WHIP over 43 games (one start).[5] The Giants added Marte to their 40-man roster following the 2021 season.[8]
After 3 scoreless appearances for Sacramento, on April 12, 2022, Marte was promoted to the major leagues for the first time to fill in for Tyler Rogers, who had been placed on paternity leave.[9] Marte made his MLB debut that day, pitching a scoreless inning of relief and allowing one hit to close out a 13–2 victory over the San Diego Padres.[10] Marte was optioned back to Triple-A the following day after John Brebbia was reinstated from the bereavement list.[11] On October 5, Marte earned his first career win after pitching two perfect innings against the San Diego Padres.[12]
Pitching for the Giants in 2022, he was 1–1 with a 5.44 ERA in 39 relief appearances, in which he pitched 48 innings and gave up 22 walks while striking out 44 batters, and had a WHIP of 1.438.[13] Batters had a barrel percentage against him of 3.5%, in the lowest 3% in MLB.[14] He mostly threw an 86 mph slider, a 97 mph sinker, and a 98 mph four-seam fastball.[15] Pitching for Sacramento in 2022 he was 1–1 with three saves and a 3.16 ERA in 25 relief appearances, in which he pitched 25+2⁄3 innings, giving up nine hits and striking out 35 batters.[13]
Philadelphia Phillies
On January 9, 2023, the Giants traded Marte to the Philadelphia Phillies in exchange for pitcher Erik Miller.[16] Pitching for the Phillies in 2023, he was 1–1 with a 5.03 ERA, as he had a 1.627 WHIP in 39+1⁄3 innings over 40 games.[13]
Marte made 23 appearances for the Phillies in 2024, struggling to a 6.92 ERA with 23 strikeouts across 26 innings pitched. On November 4, Marte was removed from the 40–man roster and sent outright to the Triple–A Lehigh Valley IronPigs, but he rejected the assignment and elected free agency.[17]
Seattle Mariners
On November 23, 2024, Marte signed a minor league deal with the Seattle Mariners.[18]
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