The Facts: HC Bruce Arians believes Palmer wore out his arm during offseason workouts in 2016. This year, Palmer did a lot less -- and he consequently has a lot more in the tank as preparations commence for the season to come. "You feel like you have more zip, more velocity," Palmer said before Saturday's initial training-camp practice. "I feel like I can go out and throw 150 balls in practice. I don't think I felt that way coming into camp last year."

Diehards Line:That’s good news, especially in light of Palmer’s advanced age, which the QB downplayed on Saturday. "In football years, I think it’s perceived once you get to 35 you’re old,” Palmer said. “But if you can still put it on every day and play and work out and train and prepare mentally, I look at is as being experienced and mature.” Remember: Even with a tired arm entering camp last year, Palmer threw for 4,233 yards — the third highest total of his career. He was also a productive fantasy producer from Week 8 on.