Spring Training Mariners To Begin Spring Training Play With Bold Prediction By Kirsten Kendrick & Art Thiel • Feb 27, 2015 Charlie Riedel / AP Photo Listen Listening... / 4:01 The Mariners begin spring training play next week in Arizona with a pretty bold prediction from one of their star players. Already A Cano Controversy? New Mariner Stirs The Pot By Kirsten Kendrick & Art Thiel • Feb 21, 2014 Rick Scuteri / AP Photo Listen Listening... / 3:27 The Mariners are wrapping up their first week of spring training in Peoria, Arizona. There was a lot of fanfare surrounding the arrival of newly-acquired slugger Robinson Cano. But KPLU sports commentator Art Thiel says there was some drama as well.