49ers downgrade DT Kalia Davis (ankle) to out for Super Bowl

(Photo credit: Eric Hartline-USA TODAY Sports)
The San Francisco 49ers announced Saturday that defensive tackle Kalia Davis has been ruled out of the Super Bowl XVIII matchup against the Kansas City Chiefs on Sunday in Las Vegas.

Davis has an ankle injury and was listed as questionable on Friday's injury report. He was a full practice participant during the week.

Davis, 25, played in three regular-season games for San F