KANSAS CITY – A painful error led to the Toronto Blue Jays’ first loss of the week and an avoidable rookie mistake contributed to their second. As for the third? It’s hard to find much fault with how the Blue Jays played in a rain-shortened 2-1 loss to the Kansas City Royals Thursday, but it counts the same in the standings nonetheless. Now 13-13, the Blue Jays head back to Toronto having lost four of their last five after a Salvador Perez two-run homer off Jose Berrios made the difference in a five-inning game at Kauffman Stadium. Offensively, the Blue...