Signing Josh Allen to a record-setting, $330 million contract extension freed the Buffalo Bills to spend even more in free agency this week. If that seems counterintuitive, welcome to the sometimes-upside-down logic of modern NFL salary cap strategy.

The biggest NFL contract handed out by any team during the first week of free agency didn't even involve a free agent. Nope, that biggest contract was signed by Josh Allen, who landed a record-breaking six-year, $330 million deal from the Buffalo Bills .

Josh Allen—greatest Buffalo Bills player of all time? According to Chris Simms, he may just be. The former NFL quarterback talked about the reigning league MVP on his ‘Chris Simms Unbuttoned’ podcast this week,