Getty Philadelphia Eagles defensive tackle Jalen Carter. The Dallas Cowboys and Philadelphia Eagles are one of the biggest rivalries in the NFL, with two of the biggest fan bases, too. It’s one thing to be a rivalry, but there’s a fine line of disrespect that shouldn’t be crossed. During the Eagles’ win against the Cowboys last Thursday on Thursday Night Football, Jalen Carter crossed that line by spitting on Dak Prescott. A video later came out that showed Prescott spitting in Carter’s