Michael Arroyo (born November 3, 2004) is a Colombian professional baseball infielder 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 started 2023 with the Arizona Complex League Mariners before being promoted to the Single-A Modesto Nuts in mid-June.
[6] Arroyo was named to the Colombian roster for the 2026 World Baseball Classic qualifiers, held in March 2025 in Tucson, Arizona.
[9] On November 4, 2024, the Mariners added Castano to their 40-man roster to prevent him from reaching minor league free agency.
Felnin Daniel Celesten (born September 15, 2005) is a Dominican professional baseball shortstop in the Seattle Mariners organization.
[21] After spring training, Cronin was assigned to the High-A Wilmington Blue Rocks to begin the 2021 season, although MLB Pipeline speculated that he could rise quickly in a relief role.
[28] On December 11, 2024, the Seattle Mariners selected Cronin with the 61st overall pick of the minor league phase of the 2024 Rule 5 draft.
[29] Cronin pitches left-handed, with a fastball up to 96 miles per hour (154 km/h) that plays up due to its high spin rate, along with a splitter and a curveball.
Taylor Joseph Dollard (born February 17, 1999) is an American professional baseball pitcher in the Seattle Mariners organization.
[41] Dollard made only three starts for Tacoma, logging a 7.56 ERA across 8+1⁄3 innings, before he was placed on the injured list with a shoulder impingement on April 26.
Nicholas Dunn (born January 29, 1997) is an American professional baseball second baseman in the Seattle Mariners organization.
[50][51] Dunn made his professional debut in 2018 State College Spikes and also played for the Peoria Chiefs, batting .253 with three home runs and 35 RBIs over 65 games.
[60] Jonathan Thomas Farmelo (born September 9, 2004) is an American professional baseball outfielder in the Seattle Mariners organization.
Lázaro Yosmel Montes (born October 22, 2004) is a Cuban professional baseball outfielder in the Seattle Mariners organization.
[73] He was one of three Mariners international prospects who received signing bonuses of more than $1 million in 2022, along with Michael Arroyo and Martín Gonzalez.
Montes started 2023 with the Arizona Complex League Mariners before being promoted in early August to the Modesto Nuts.
Michael Paul Morales (born August 13, 2002) is an American professional baseball pitcher in the Seattle Mariners organization.
Tai Jordan Peete (born August 11, 2005) is an American professional baseball third baseman in the Seattle Mariners organization.
[90] Peete started his professional career that August with the ACL Mariners, playing 10 games with a .351 batting average.
Cole William Phillips (born May 26, 2003) is an American professional baseball pitcher for the Seattle Mariners organization.
[99] On December 3, 2023, the Braves traded Phillips and Jackson Kowar to the Seattle Mariners for Jarred Kelenic, Marco Gonzales, and Evan White.
Kaden James Polcovich (born February 21, 1999) is an American professional baseball second baseman in the Seattle Mariners organization.
[111][112][113][114] 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.
[115] 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.
Nicholas Louis Raposo (born June 3, 1998) is an American professional baseball catcher in the Seattle Mariners organization.
[121][122] 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.
[126] 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.
Benjamin Andrew Williamson (born November 5, 2000) is an American professional baseball third baseman in the Seattle Mariners organization.