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Seattle Mariners Transactions 2020

10 February 2020Assigned RHP Matt Festa outright to Tacoma (PCL). Promoted Justin Hollander to vice president and assistant general manager, baseball operations.
3 February 2020Designated RHP Matt Festa for assignment. Claimed OF Jose Siri off waivers from Cincinnati. Agreed to terms with LHP Marco Gonzales on a four-year contract for 2021-24.
31 January 2020Announced RHP Reggie McClain was claimed off waivers by Philadelphia.
30 January 2020Signed RHP Yoshihisa Hirano to a one-year contract. Designated LHP Ricardo S?nchez for assignment.
24 January 2020Designated RHP Reggie McClain for assignment. Claimed LHP Nick Margevicius off waivers from San Diego.
22 January 2020Signed C Joe Hudson and INF Jos? Marmolejos to minor league contracts.
21 January 2020Named Tony Arnerich minor league field coordinator; Mike Cameron minor league special assistant; Rob Marcello pitching coach of Tacoma (PCL); Dave Berg manager, Alon Leichman pitching coach and Joe Thurston hitting coach of Arkansas (TL); Sean McGrath pitching coach and Shawn O'Malley hitting coach of Modesto (Cal); Eric Farris manager, Nathan Bannister pitching coach and Rob Benjamin hitting coach of West Virginia (SAL); Louis Boyd manager and Michael Fransoso hitting coach of Everett (NWL); Jose Umbria hitting coach of the AZL Mariners; Brett Schneider hitting coach and Guady Jabalera coach of the DSL Mariners.
13 January 2020Named Jeff Mathers assistant High Performance coordinator/performance specialist; Kyle Torgerson trainer; Aric Quinney trainer and James Buckley performance specialist of Modesto (Cal); Dan LaBerry trainer and Joe Murray performance specialist of West Virginia (SAL); Brennan Mickelson performance specialist of Everett (NWL); and Ryan Mullins performance specialist of the AZL Mariners.
10 January 2020Claimed INF-OF Sam Haggerty off waivers from New York (NL).