Jonatan Clase Called up to the Mariners
April 15, 2024 - Northwest League (NWL)
Everett AquaSox News Release
Seattle, WA: The Seattle Mariners today announced on Saturday that they had called up former Everett AquaSox Jonatan Clase. It marks the first MLB call-up for Clase, who was promoted from the Tacoma Rainiers.
Clase has appeared in 12 games this season with Triple-A Tacoma, batting .311 (14x45) with 9 runs, 4 doubles, 2 triples, 2 home runs, 11 RBI, 3 stolen bases and 7 walks, getting on base at a .396 clip and slugging .622 (1.018 OPS). Clase also appeared in 15 games during Major League Spring Training, batting .321 (9x28) with 2 doubles, 2 RBI and 3 stolen bases.
The 5-foot-9, switch-hitting outfielder is currently ranked as the Mariners 10th overall prospect by both MLB Pipeline and Baseball America. At 21 years, 328 days, Clase will be the youngest Mariners player to make his Major League debut since Julio Rodríguez (21 years, 200 days on April 8, 2022 at Minnesota). He is also set to become the first Mariners player this season to make his Major League debut.
Clase split the 2023 season between High-A Everett and Double-A Arkansas, combining to hit .242 (121x501) with 102 runs, 28 doubles, 8 triples, 20 home runs, 68 RBI, 79 stolen bases and 82 walks, getting on base at a .353 clip and slugging .449 (.802 OPS). He also appeared in the All-Star Futures Game at T-Mobile Park, starting the game in center field.
The Santo Domingo, Dominican Republic native ranked among minor league leaders in runs scored (T-10th) and stolen bases (3rd) last season. Clase became the first Minor League player since minor league stats began being tracked in 1961 to have 20+ HR and 70+ SB in the same season.
Clase has appeared in parts of 5 minor league seasons in the Mariners system, batting .264 (327x1241) with 278 runs, 67 doubles, 28 triples, 39 home runs, 160 RBI and 211 walks, getting on base at a .376 clip and slugging .457 (.833 OPS) in 325 games. He is 184-for-222 in stolen base attempts during his minor league career. He was signed by the Mariners as an international free agent on July 2, 2018.
He is the third former AquaSox to make his debut this season joining Stephen Kolek and Austin Shenton.
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Northwest League Stories from April 15, 2024
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- Jonatan Clase Called up to the Mariners - Everett AquaSox
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