Matthew McConaughey and his pregnant girlfriend Camila Alves went to a Dodger game on Sunday and the actor was inexplicably wearing a shirt. 

What could be the reason?  Here's some possibilities:

• Matt didn't want his nipple bling to distract the players in the infield.
  
• His tattooed portrait of Lance Armstrong needed time to dry.
• It's hard to wipe chicken wing grease off your hands with your stomach.
• Camila told Matt she didn't want any chest hairs falling into her nachos.

[photo: People.com]