The Dallas Cowboys added kicker Tristan Vizcaino to their practice squad Wednesday following Brett Maher’s horrible kicking performance Monday night against the Tampa Bay Buccaneers. Tristan Vizcaino Maher shockingly missed four straight extra point attempts during the Cowboys’ playoff win against Tampa Bay before connecting on his fifth try. The Cowboys still intend to use Maher as their starting kicker for their playoff game against the San Francisco 49ers on Sunday, but have added Vizcaino to their practice squad as “insurance” just incase Maher continues to struggle making kicks throughout the week of practice, according to NFL reporter Todd Archer....