Pitchers and catchers report on February 14, with the first workout scheduled for February 15. Position players report on February 18, with the first full-squad workout slated for February 19.
All 14 Cactus League Teams will play in Peoria in 2017, including the Indians (March 8) and Cubs (March 10), Los Angeles Dodgers (March 15) and San Francisco Giants (March 18). The Mariners will meet American League West division rivals a total of nine times: four games against the Texas Rangers, three against the Los Angeles Angels and the Oakland Athletics twice. All in all, Seattle will have 18 “home” games at Peoria, 20 total games at the Peoria Sports Complex.
The Mariners conclude spring training with a pair of games against the Colorado Rockies on Friday, March 31 at 6:40 p.m. at Peoria and on Saturday, April 1 at 12:10 p.m. at Salt River Fields. The Mariners then break camp and travel to Houston to open the 2017 regular season on Monday, April 3 vs. the Astros at Minute Maid Park.