Travis Kelce of the Kansas City Chiefs is 36 years old, and that's certainly an appropriate age to retire in the NFL . But Kelce hasn't announced whether he's retiring from professional football yet, and he's still making that decision. Kelce is rounding out a season where he posted 76 catches for 851 yards and five touchdowns, according to NFL research . It wasn't his top numbers, but those are still solid numbers for a tight end in the NFL. So, will he end on this note? Ahead of the Chiefs'