Top 4th: Tigers 0, Blue Jays 0
J.A. Happ has now struck out eight Tigers through the first four innings and appears to be getting stronger, picking up his first 1-2-3 frame of the night.
Nick Castellanos struck out swinging, Justin Upton did the same and James McCann flew out to center field to end the inning.
Happ's pitch count is in decent shape at 68.
Bottom 3rd: Tigers 0, Blue Jays 0
Edwin Encarnacion was able to draw a two-out walk from Mike Pelfrey, but the inning was over one pitch later when Michael Saunders grounded out to first base.