MLB Power Rankings - May 18: Surging Cubs crack top 10; Blue Jays plummet to No. 21

1. St Louis Cardinals RECORD PYTHAG RECORD PREVIOUS RANK (CHANGE) 25-12 24-13 1 (-) It hasn't been easy finding a reliable replacement for injured right-hander Adam Wainwright, as Tyler Lyons and Tim Cooney have allowed 11 earned runs in 15 1/3 innings (6.46 ERA) since the 33-year-old ruptured his Achilles last...

By Jonah Birenbaum