Why did Dallas Cowboys star wide receiver Dez Bryant head into the locker room with time remaining in a loss to the Green Bay Packers?

He told reporters he was too upset.

Bryant went inside following quarterback Tony Romo's second interception in the fourth quarter. Bryant finished the game with 11 receptions for 153 yards and one touchdown.

"I walked back to the locker room because I was emotional," Bryant wrote on Twitter. "It had nothing to do with my teammates we had it... We fought and didn't finish."

Today, Bryant apologized for leaving early.

“I was wrong,” Bryant said, per ESPN Dallas.  “It didn’t have anything to do with my teammates. I couldn’t watch Green Bay kneel the ball down on the field after a tough loss like that. I was very emotional. I cried when I got into the locker room. I didn’t want to show that stuff on the sideline. ..

“Whenever I’m out on the football field, it’s all about the team. “I’m a team guy and that’s what I think about and that’s what I focus on. I extremely, extremely apologize for leaving, but my teammates and coaches understand. I am a very emotional player and we didn’t finish. It had nothing to do with my teammates."

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Aaron Wilson covers the Ravens for The Baltimore Sun