Pair clash during Cowboys training fightTeam not bothered by heated exchangeDez Bryant kept going after Dallas cornerback Tyler Patmon in a heated training camp skirmish that didn’t end until quarterback Tony Romo finally stepped in and calmed his star receiver.Bryant, who has a history of sideline clashes that include screaming at coaches and team-mates, threw something at Patmon and later appeared to take a swing at him after the two tangled during a play in 11-on-11 work late in the practice on Sunday.