Fans walk below a sign at Super Bowl City in San Francisco, Sunday, Jan. 31, 2016. The Denver Broncos will play the Carolina Panthers in Super Bowl 50 Sunday, Feb. 7, 2016.
Fans walk below a sign at Super Bowl City in San Francisco, Sunday, Jan. 31, 2016. The Denver Broncos will play the Carolina Panthers in Super Bowl 50 Sunday, Feb. 7, 2016. Jeff Chiu AP
Fans walk below a sign at Super Bowl City in San Francisco, Sunday, Jan. 31, 2016. The Denver Broncos will play the Carolina Panthers in Super Bowl 50 Sunday, Feb. 7, 2016. Jeff Chiu AP