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Seattle Mariners

Undrafted Free Agent History
Franchise Name
Seattle Mariners
League
American League
Division
West
Years Range
1977-2025
Last Championship
None
Last Playoffs
2022
Current Manager
Dan Wilson
Current General Manager
Justin Hollander
Current Ballpark
T-Mobile Park
Seattle Mariners
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Draft Section Franchise UDFA History Recent Signings Top Signing Bonuses Active Signings Franchise Draft History Franchise Page UDFA Section
The list of UDFA signings for the Seattle Mariners is not necessarily complete and is based only on information compiled by The Baseball Cube.

Most recent 50 UDFA signings records by The Baseball Cube

Recently Signed Players

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dateplayerposteamsourceposhtwtbathbornplacehilvlmlb yearsstat yearsbonus
2026-05-11Dominic CastellanoPSeattle MarinersCentral FloridaP5-11195RL2003-07-11Norfolk,VAA 2022-2026Premium
2026-01-15Leonardo ReynosoSSSeattle MarinersDominican RepublicSS5-10170BR2008-10-17Santo Domingo,DRRk 2026-2026Premium
2025-11-19Jose Gabriel TorresPSeattle MarinersVenezuelaP6-3180RR2000-09-05Caracas,VZA 2025-2026Premium
2025-07-19Brady O'BrienIFSeattle MarinersRichmondIF6-0195RR2002-06-22North Andover,MAA 2021-2026Premium
2025-07-19Reid EasterlyPSeattle MarinersDukeP6-0200LL2002-01-23Houston,TXA+ 2022-2026Premium
2025-07-19Reese LumpkinPSeattle MarinersMiamiP6-6207RR2001-11-08Columbia,SCA 2021-2026Premium
2025-07-19Konni DurschlagOFSeattle MarinersHigh PointOF5-9190RR2001-11-30Charlotte,NCNCAA 2023-2025Premium
2025-07-08Angel ChicuatePSeattle MarinersMexicoP5-9176RR2006-08-16Enseneda,BCRk 2025-2025Premium
2025-06-03Dalton DavisIFSeattle Mariners- Indy LeagueIF6-0210RR2000-10-17Irving,TXA 2020-2026Premium
2025-05-13Tomo OtosakaOFSeattle MarinersJapanOF5-11182LR1994-01-06Yokohama,JPAAA 2014-2025Premium
2025-04-11Diego ContrerasIFSeattle MarinersColombiaIF5-7150BR2007-10-01Cartagena,CBRk 2025-2026Premium
2025-03-28Nico TellachePSeattle MarinersMexican LeagueP6-0205LL1998-01-14Canby,ORAAA 2017-2026Premium
2025-03-21Calvin SchapiraPSeattle MarinersIndy LeagueP6-5225RL1999-10-07Scottsdale,AZA+ 2019-2026Premium
2025-02-19Kleiver BenitezPSeattle MarinersVenezuelaP6-0159LR2008-08-11Cumanocoa,VZRk 2025-2026Premium
2025-01-29Diago MachadoOFSeattle MarinersSigned as undrafted free agentOF6-0180LR2005-03-10San Diego,CA-  Premium
2025-01-28Nathan RoseIFSeattle MarinersTulaneIF6-1178RR2001-02-11Shaker Heights,OHRk 2020-2025Premium
2025-01-21Po-Chun LinPSeattle MarinersTaiwanP5-11172LR2006-07-21Taipei,TWRk 2026-2026Premium
2025-01-15Randal MunozPSeattle MarinersDominican RepublicP6-2174RR2008-03-14Santo Domingo,DRRk 2025-2025Premium
2025-01-15Henry AlcantarapSeattle MarinersVenezuelaP6-0170RR2007-11-23La Asuncion,VZRk 2025-2026Premium
2025-01-15Ismanuel PinapSeattle MarinersDominican RepublicP6-2175RR2005-09-11Santo Domingo,DRRk 2025-2026Premium
2025-01-15Cesar FariasPSeattle MarinersVenezuelaP5-11145RR2007-08-16San Felix,VZRk 2025-2025Premium
2025-01-15Darwin RamospSeattle MarinersDominican RepublicP6-2161RR2007-03-15Santo Domingo,DRRk 2025-2026Premium
2025-01-15Manuel AlmeidacSeattle MarinersVenezuelaC5-11187BR2007-10-05Puerto La Cruz,VZRk 2025-2026Premium
2025-01-15Kendry MartinezssSeattle MarinersDominican RepublicSS5-10157LR2007-10-02Santo Domingo,DRRk 2025-2026Premium
2025-01-15Yorger BautistaOFSeattle MarinersVenezuelaOF6-1176LL2007-09-19Antagracia de Orituco,VZRk 2025-2026Premium
dateplayerposteamsourceposhtwtbathbornplacehilvlmlb yearsstat yearsbonus
2025-01-15Elias PerezofSeattle MarinersDominican RepublicOF5-10160BR2007-09-17Las Matas de Farfan,DRRk 2025-2026Premium
2025-01-15Wisler InfantepSeattle MarinersVenezuelaP5-10155RR2007-12-08Caracas,VZRk 2025-2026Premium
2025-01-15Christopher QuirozpSeattle MarinersDominican RepublicP6-1160RR2007-12-12Puerto Plata,DRRk 2025-2026Premium
2024-08-01Matthew EllisCSeattle MarinersGeorgia TechC6-4248LR2000-08-01Waddy,KYA+ 2020-2026Premium
2024-07-24Thomas HigginsPSeattle MarinersGeorgia SouthernP6-1200RR2003-03-17Jesup,GAA 2022-2026Premium
2024-07-22Trevor LongPSeattle MarinersArizonaP6-1197RR2001-05-22Scottsdale,AZA 2021-2025Premium
2024-07-22Carter DorighiIFSeattle MarinersButlerSS-2B6-0190LR2003-06-11Denver,COA+ 2022-2026Premium
2024-07-09Chia-Shi ShenPSeattle MarinersTaiwanP6-3185RR2003-12-03Puli,TWA 2025-2025Premium
2024-05-17Roberto PerezPSeattle MarinersColombiaP5-9145RR2004-01-21Sincejelo,CBA 2024-2026Premium
2024-05-13Ruben RamirezPSeattle MarinersDominican RepublicP6-2204RR2005-02-06Santo Domingo,DRRk 2024-2026Premium
2024-05-10Gregori ArriechePSeattle MarinersVenezuelaP6-2205RR2001-12-19Carora,VZRk 2024-2024Premium
2024-02-23Danny WirchanskyPSeattle MarinersIndy LeagueP6-1200LL1997-07-02Valhalla,NYAA 2017-2025Premium
2024-02-02Juan CazarezPSeattle MarinersMexicoP5-11172RR2005-09-05Ahome,MXRk 2023-2026Premium
2024-01-31Danery MeyerPSeattle MarinersCuracaoP6-4202RR2006-09-08Willemstad,CCRk 2024-2025Premium
2024-01-31Deybi CastroPSeattle MarinersNicaraguaP6-2173RR2006-02-11Managua,NI-  Premium
2024-01-31Mathias SatoPSeattle MarinersVenezuelaP5-11163LR2007-01-28Atibaia,VZRk 2024-2026Premium
2024-01-30Juan JimenezPSeattle MarinersPanamaP6-1225RR2006-12-09Panama City,PNRk 2024-2024Premium
2024-01-23Jack WhitePSeattle MarinersMichiganP6-3210LL1999-10-04Bethesda,MDA+ 2019-2026Premium
2024-01-19Eduardo UscangaPSeattle MarinersMexicoP5-10139RR2007-02-14Ignacio de la Llave,MXRk 2026-2026Premium
2024-01-15Cristian ArayPSeattle MarinersVenezuelaP5-10155RR2007-04-05San Tome,VZRk 2024-2026Premium
2024-01-15Manuel De CesareOFSeattle MarinersVenezuelaRF6-4185RR2007-05-08Estado Sucre,VZRk 2024-2025Premium
2024-01-15Anderson JimenezPSeattle MarinersDominican RepublicP6-0160RR2007-08-03Fantino,DRRk 2024-2026Premium
2024-01-15Jheifer RamirezPSeattle MarinersVenezuelaP6-0155RR2007-06-21Maracay,VZRk 2024-2025Premium
2024-01-15David PenaPSeattle MarinersDominican RepublicP6-0169RR2004-12-08Samana,DR-  Premium
2024-01-15Zeus Nunez3BSeattle MarinersDominican Republic3B6-1185RR2006-11-20Santo Domingo,DRRk 2024-2025Premium
50 record(s)