"The first thing that goes through my head as soon as it happens is, 'I'm letting these guys down by not being able to compete,'" Kupp said. "And you put so much time and effort into getting your body ready to play, and then when you're not able to because your body's not allowing you to, you definitely feel like, 'Could I have done more? What else could I have done to prevent this from happening?' So it's been tough, but the guys that we brought in — Nick's [Williams] done an incredible job. And trying to do my best just to support the guys, and whoever I can from the sideline and in the facility here to help in any way that I can.