Originally Posted by Dutchrudder
Most contracts in the NFL will have the base salary for the year guaranteed if the player is on the team week 1 of that season and hadn't been cut previously. This doesn't apply to 3rd stringers and UDFAs though. A kicker you drafted in the 5th round that is expected to start likely has his salary guaranteed. So you're throwing away about 250k to sign someone else. These things do add up over time.
The week 1 guarantee is a league rule for vets, I believe with 4 years. Spotrac and Rotoworld have no mention of any guaranteed money other than his signing bonus.