Just when you think you're safe enough to check into a ballpark on Facebook, think again.

On Friday, San Diego Padres fan Travis Decker was sitting in the upper deck of the right field stands at Petco Park when Will Venable smacked a foul ball in his direction. Decker, who was trying to check into the ballpark on his phone, never saw the ball coming.

This looks like it hurt:

Luckily, Decker seems to have a good sense of humor. And a cold drink that doubled as an ice pack.

-- Follow Robbie Levin on Twitter @RobbieLevin.

Like us on facebook, follow us on twitter, and subscribe to our YouTube channel.

1962 Porsche Becomes BBQ Grill