Selfie video captures scary moment baseball fan at Mariners game gets hit in the skull by foul ball

Rule No. 1 of attending a Major League Baseball game as a fan is that you have to keep your head on a swivel at all times. One poor fan, and her head, paid the price over the weekend for forgetting that non-negotiable.

The fan, Jamie Golla, was sitting in the lower bowl down the third-base side at T-Mobile Park in Seattle for the Mariners' contest against the San Diego Padres on Friday night. Her friend just so happened to have her phone out to capture a selfie video of the two of them having fun at the ballpark...