Seattle Mariners right-hander Bryan Woo has been diagnosed with minor inflammation in his pectoral muscle, according to what manager Dan Wilson told reporters ahead of Saturday's game versus the Houston Astros. Woo underwent imaging after departing Friday's start before he could officially begin the bottom of the sixth inning.

Medical images taken Saturday revealed “minor inflammation” in Woo’s pectoral muscle, manager Dan Wilson said Saturday afternoon, a day after the Mariners ace exited his outing early against the riva...