Bills add punter with Sam Martin (hamstring) hurt

(Photo credit: Mark Konezny-USA TODAY Sports)
Punter Matt Haack is back with the Buffalo Bills as roster insurance for the injured Sam Martin.

Haack signed to the Bills' practice squad on Wednesday and could be needed when Buffalo hosts the Kansas City Chiefs in the divisional playoffs on Sunday night.

Martin injured his hamstring attempting to run down a blocked field goal on Monday in the second quarter of the wild-ca