Sportsnet's Shi Davidi reports that Saunders was injured while shagging fly balls on Wednesday.
Michael Saunders stepped on soft spot around underground sprinkler on outfield grass while shagging flies yesterday. Left knee buckled.— Shi Davidi (@ShiDavidi) February 26, 2015
During his six-year career with the Mariners, Saunders hit .231 with 51 home runs and 182 RBIs.
The Blue Jays open the season on Monday, April 6 against the New York Yankees.
- Paul Palladino