Seattle Mariners Reveal Coaching Staffs For Dominican, Arizona League Teams
In this story:
The Seattle Mariners minor league system has been one of the most successful ones in the league top-to-bottom over the last several seasons.
The Mariners international scouting department pulled off another solid signing window after agreeing to terms with two top 20 international players. Four-of-five starters on Seattle's major league pitching rotation were drafted and developed by the team and two minor league clubs are coming off conference championships.
The Mariners have a lot more promising players that will get a look in the Dominican Summer League and Arizona Complex League and the organization just announced the staff that will be leading the developmental squads.
For the Arizona Complex League, Rico Reyes will be the manager, Chase Wullenweber will be the bench coach, Chase Miller will be the hitting instructor, Bryan Pall will be the pitching coach, Sergio Plasencia will be the return to play coach, Quinten Arellano will oversee strength and conditioning, and Bryanna Brown and Randy Roetter will be the athletic trainiers.
Over in the Dominican Summer League, Luis Matias will be the manager, Guady Jabalera will be the bench coach, Devin Fujioka will coach hitting, Jose Amancio will be the pitching coach, Jesus Galindo will instruct the outfield and base running, Ramire Cleto will be the head strength and conditioning coach, Alfredo Alcantara will also coach strength and conditioning, Ivan Mercedes will instruct video and mental performance, Humberto Figueroa will be the athletic trainer and Ronaldo De La Cruz will lead rehab and return to play processes.
Announcing the coaching staff for our squads in the Arizona Complex League and the Dominican Summer League! #TridentsUp
— Mariners Player Development (@MsPlayerDev) January 17, 2025
🔗 https://t.co/jYfdUuUzBR pic.twitter.com/70b5v12zut
It will be Reyes' first year as the ACL manager after spending the last two seasons as a bench and outfield/base running coach for the club.
Matias will also be a rookie manager. He's been with the organization for nine years, starting first as a video coordinator in 2015. He was most recently a Dominican Republic Operations Coordinator in 2024.
Related Stories on Seattle Mariners
MARINERS TIED TO TOP 2026 INTERNATIONAL PROSPECT: After a solid 2025 international signing class, the Seattle Mariners are already tied to a top 20 player in the 2026 international signing pool. CLICK HERE
MARINERS OUTRIGHT LEFT-HANDED RELIEVER AUSTIN KITCHEN TO TRIPLE-A: The left-handed reliever designated for assignment after the Seattle Mariners signed infielder Donovan Solano. CLICK HERE
MARINERS ANNOUNCE 2025 COACHING STAFF FOR LOW-A MODESTO NUTS: The Seattle Mariners have announced the staff that will lead the Low-A Modesto Nuts in their last year under their current moniker. CLICK HERE
Follow Seattle Mariners on SI on social media
Continue to follow our Inside the Mariners coverage on social media by liking us on Facebook and by following Teren Kowatsch and Brady Farkas on "X" @Teren_Kowatsch and @wdevradiobrady. You can subscribe to the "Refuse to Lose" podcast by clicking HERE.
