(Washington) The Toronto Blue Jays put stopper Ken Giles on the injury list with an elbow problem on Monday.
On Sunday, the right-hander left the game against the Rays due to stiff right elbow.
Tampa Bay won the game, 6-5.
Manager Charlie Montoyo said the Blue Jays are awaiting the results of an MRI test.
Giles got into right elbow trouble last year.
Anthony Bass could be called to finish the matches, in his absence.
Outfielder Randal Grichuk is a case to be assessed on a day-to-day basis. He left Sunday's game because of back pain.
Third baseman Travis Shaw is sidelined for family reasons.
He's not with the team in Washington, where the Blue Jays opened a four-game series against the Nationals on Monday.
Annoyed in the back of the left thigh, Bo Bichette was left out and replaced by Joe Panik on Monday.