In the modern NFL, quarterbacks are playing into their 40s or close to it. Tom Brady is 44. Drew Brees played until he was 41. Peyton Manning retired at 39. Philip Rivers and Eli Manning hung up their cleats at 39. Ben Roethlisberger is 39. Aaron Rodgers is 37.
So it's hard to blame Las Vegas Raiders quarterback Derek Carr, who is 30, for believing he can go until he's 45.
"I feel like I can play another 15 years, without a doubt," he told reporters Wednesday. "Nothing's hurting. It's the middle of camp, and I feel great.