TORONTO — With the only big-league team he’s known down big on the scoreboard, tumbling down in the standings, and down a few players from the roster, Adam Wainwright could empathize coming off a sour start that he didn’t downplay, calling it “embarrassing.” The tilting Cardinals had just lost 10-3 to the Blue Jays. They lost the third of four games out of the break, and they were going to be without their best two hitters for another day in what two teammates independently called “a real tough week.” Those were the things on Wainwright’s mind as he left Rogers Centre on Tuesday, the night bef…
