Seattle Mariners Executive Vice President & General Manager Jerry Dipoto announced that all 22 players with less than three years of Major League service who had not previously signed contracts for this season have now come to agreements with the team and signed 2018 contracts.
 
All 39 players on the Mariners Major League, 40-man roster are now signed.
 
The list of players agreeing to 2018 contracts includes:
RHP Dan Altavilla
RHP Chasen Bradford
RHP Chase De Jong
RHP Edwin Díaz
INF Mike Ford
C David Freitas
OF Ben Gamel
LHP Marco Gonzales
OF Mitch Haniger
INF Ryon Healy
OF Guillermo Heredia
C Mike Marjama
LHP Aríel Miranda
LHP Sam Moll
RHP Andrew Moore
INF Taylor Motter
LHP James Pazos
RHP Max Povse
OF Cameron Perkins
RHP Nick Rumbelow
RHP Rob Whalen
INF Daniel Vogelbach