Usually reliable, Cards' Oh Seung-hwan shaky early in '17 with iffy slider
BaseballApr 13, 2017
Small sample size alert: but Oh Seung-hwan, the usually reliable South Korean reliever for the St. Louis Cardinals, has been hit hard so far in the 2017 season because, as analytics shows, his slider hasn't been nearly as effective as last year.Oh recorded 19 saves and posted a 1.92 ERA last season, after replacing Trevor Rosenthal as the Cards' closer in July. The all-time saves leader in the Korea Baseball Organization struck out 103 batters in 79 2/3 innings, and the opponents batted .190 aga