The author's estimation.

Ever wondered how warm your favorite football player's body was getting during a big game? "No"? "That sounds creepy"? Too bad:

It will use this weekend's NFC title game in Seattle between the San Francisco 49ers and the Seahawks to test an infrared camera that will show how players' body temperatures change throughout the game.

"I don't know what story that tells, but it might make for some pretty cool pictures," Eric Shanks, Fox Sports chief operating officer and executive producer, told the Television Critics Association on Monday.

He said another unspecified device will show how wind affects a quarterback or kicker.