Detroit Tigers right-hander Jack Flaherty has been working behind the scenes for months on his mechanics, searching to repeat his optimal delivery in games. That search has led to some struggles.

The Detroit Tigers beat the Chicago Cubs, 3-1, on Friday, June 6, at Comerica Park. Tarik Skubal allowed just one run over 7 2/3 innings against the NL-leading Cubs. Spencer Torkelson broke a 1-1 ...