Logan Mankins gets $20 million signing bonus

The numbers are in on Logan Mankins‘ six-year contract with the Patriots, and the really eye-opening number is the signing bonus: $20 million. Mike Reiss of ESPNBoston.com reports that the deal will pay Mankins a $1.5 million base salary this year, which means Mankins will make $21.5 million — or more than twice as much…