J.A. Happ gets wild-card vote from someone who knows best

John Gibbons was J.A. Happ’s manager for four-plus seasons in Toronto and is convinced the veteran lefty is up to starting the AL wild-card game for the Yankees against the A’s on Oct. 3. “No doubt, oh yeah. He pitched a couple of good playoff games for us,’’ Gibbons responded when he was asked Sunday…