By Andrew Holleran The Dallas Cowboys were blown out by the Buffalo Bills on Sunday, but they still managed to clinch a playoff spot. Dallas was blown out by Buffalo, 31-10, but due to results from previous games on Sunday, Mike McCarthy’s team clinched a playoff spot at 10-4 on the year. Following the game, Cowboys quarterback Dak Prescott was asked about clinching a playoff spot. “Don’t care, to be honest.” The Cowboys have struggled on the road throughout the season, losing at Arizona and at San Francisco. Dallas will get a chance to improve next weekend, when the Cowboys take on the Dolphi…