NFL Network's Ian Rapoport reported on Tuesday that Kittle and the 49ers agreed to terms on a four-year, $76.4 million extension that will make him the league's highest-paid tight end. The 49ers entered the day with $39.4 million in cap space, not accounting for any potential changes to Kittle's cap number with his new contract.

After locking in superstar tight end George Kittle with a massive $76.4 million extension, the San Francisco 49ers have now zeroed in on their next big priority — securing quarterback Brock Purdy for the long haul.

The $76 million deal heading George Kittle's way is an important line in the sand for the San Francisco 49ers.