 He was placed on the disabled list after he incurred a strained oblique muscle during the third inning of his July 24 start . On August 9 , he was activated off the disabled list to make a scheduled start . He took a 12 @-@ start ( five @-@ decision ) undefeated streak , dating back to a May 12 loss to the Cardinals , into his first start off the disabled list , but he took the loss in a 5 – 0 defeat , which was again against the Cardinals . Young ended the 2007 season as the major league leader in opponent batting average and hits per nine innings , but also in stolen bases allowed ( with 44 ) . He battled injuries late in the season and surrendered the ERA leadership to Jake Peavy in his August 30 start . 
