Dallas Cowboys wide receiver CeeDee Lamb knows he has to do a better job dealing with frustration during games.

In last weekend's 42-10 loss to the San Francisco 49ers, Lamb, who caught four passes for 49 yards, was visibly upset, standing off to the side and at times disengaged from his teammates, including Dak Prescott.

"I've had to reflect, self-reflect, and I didn't go the best route to get my end result," Lamb said. "At the end of the day, I have a job to do and I want to contribute to this team. I do everything in my power week in and week out to do that. Going forward, there is a better way to go about it, make a lighter situation."