J.A. Happ is likely to miss a second start after Thursday's side session didn't go as well as anticipated.
J.A. Happ (elbow) made 20 throws from a distance of 60 feet on Thursday.
Blue Jays placed LHP J.A. Happ on the 10-day disabled list, retroactive to April 17, with left elbow inflammation.
J.A. Happ was diagnosed with inflammation in his left elbow, according to Steve Phillips of TSN.
According to Jon Morosi of MLB Network, J.A. Happ's left elbow injury "is not believed to be serious."
J.A. Happ is scheduled to undergo an MRI on his left elbow on Monday.
J.A. Happ was pulled from his start Sunday against the Orioles after suffering an apparent injury.
J.A. Happ struck out eight batters but lasted just 4 2/3 innings versus the Brewers Tuesday, yielding four runs on nine hits.
J.A. Happ punched out nine batters but took a loss after giving up three runs in seven innings against the Orioles on Wednesday.
J.A. Happ pitched four innings of one-run ball Wednesday against the Yankees.
J.A. Happ struck out five while allowing two runs -- one earned -- over 5 1/3 innings Friday in defeating the Red Sox.
J.A. Happ held the Red Sox to one run in four innings in a victory Monday.
J.A. Happ gave up three runs -- two earned -- in 1 1/3 innings Tuesday in a loss to Team Canada.
J.A. Happ surrendered four hits, two runs and one walk over five innings of work Saturday in a loss to the Indians in Game 2 of the ALCS.