Catalina Mancera, the pregnant girlfriend of late Dallas Cowboys defensive end Marshawn Kneeland, is asking fans to share pictures of him as she tries to honor his memory. “Hi everyone, I just wanted to take a moment to say thank you for all the love,

The Dallas Cowboys will wear t-shirts Monday night that pay respects to Marshawn Kneeland during pregame warmups before they face the Raiders.

Catalina Mancera, who is pregnant with the couple's first child, said the photos help her "hold onto a piece of him"