Giants pitcher Tim Lincecum escaped what appeared to be a serious injury with only a bruised left knee in his final spring start.Oakland Athletics manager Bob Melvin, right, and batting coach Chili Davis watch from the dugout during the third inning of a spring exhibition baseball game against the San Francisco Giants in San Francisco, Friday, March 28, 2014.San Francisco Giants pitcher Tim Lincecum, right, is tended to by trainer Dave Groeschner after being struck by a ball hit by Oakland Athletics' Daric Barton during the fourth inning of an exhibition baseball game in San Francisco, Friday, March 28, 2014.San Francisco Giants pitcher Tim Lincecum, center, is helped off the field by trainers after being struck by a ball hit by Oakland Athletics' Daric Barton during the fourth inning of an exhibition baseball game in San Francisco, Friday, March 28, 2014.Oakland Athletics' John Jaso, center, is congratulated by third base coach Mike Gallego (2) after hitting a solo home run off San Francisco Giants pitcher Tim Lincecum during the third inning of an exhibition baseball game in San Francisco, Friday, March 28, 2014.