Scherzer hasn't given up a run on 2 days rest in 4.2 innings but has given up 4 runs in 3.2 innings on 3 days rest. The short rest appearances (seems to be 4) came in 2008 when he was a bullpen pitcher with the D'backs. As far as I can tell he's never made a short rest start in his career or appeared on short rest after throwing 100 pitches on a bad hamstring. 6H, 2HR, 5BB in total between the 4 appearances.