George Kittle’s deal has strong clues as to the structure of Brock Purdy’s new contract

The week started with the 49ers working on new contracts for two key players: tight end George Kittle and quarterback Brock Purdy.Kittle's deal is done. The details can be reviewed here. Given that the contract was finalized at a time when the 49ers are actively negotiating with Purdy, there are clues in Kittle's contract as to how Purdy's contract could be structured.First, Kittle's deal has two fully-guaranteed years at signing. That creates a fairly obvious expectation that Purdy will have two fully-guaranteed years, too.Some quarterbacks get three fully-guaranteed years at signing on non-rookie deals. Some get two. Others (Matthew Stafford, Sam Darnold, Geno Smith, for instance), get one. By giving Kittle two fully-guaranteed years at a time when Purdy's contract is being hashed out, common sense suggests the 49ers will be trying to use a similar structure for Purdy.Second, Kittle has a small full guarantee at signing in year three (i.e., $2 million). He can, based on his performance in the second year (2026), unlock another $5 million in full guarantees for 2027.Third, Kittle's deal has an unrealistic final year ($22.4 million in 2029, when Kittle will turn 36) that drives...