PHOTO: Vikings legend Bud Grant takes field in short sleeves despite sub-zero temperature

Bud Grant isn't fazed by sub-zero temperatures.

The 88-year-old Minnesota Vikings legend, who coached the team for 18 seasons spanning the '60s to the '80s, took the field for the coin toss before Sunday's game in short sleeves:

The temperature at kickoff was minus-6 degrees with a minus-25 wind chill, making it the third-coldest game in NFL history.