The Mariners have added depth behind the plate, agreeing to a minor league contract with catcher Humberto Quintero. Seattle said Monday that Quintero will attend major league spring training camp, where pitchers and catchers arrive Feb. 12 at Peoria, Ariz. Read more http://espn.go.com/mlb/story/_/id/10253115/seattle-mariners-add-humberto-quintero-minor-league-deal