Sometimes quarterbacks need to buy players lavish gifts or do them a service to take their number, when you're the backup for the Tennessee Titans things are a lot simpler — beat the punter in an arm wrestling competition.
Charlie Whitehurst failed at this task.
In his defense ... there's no defense. Quarterbacks make a living on their arm and things like "arm strength" are picked over with a fine-toothed comb. Punters only need their legs and it's not like this was a kicking contest or anything.