Patriots to extend Tom Brady’s contract through 2021 — when he’ll be 44 years old

Tom Brady has never known what it’s like to play out the final season of a contract in his 20-year NFL career, and the New England Patriots superstar quarterback isn’t about to find out.Brady, who turned 42 on Saturday, is signing a two-year, $70 million extension that runs through 2021 and includes a hefty raise this season, a person with knowledge of the deal told The Associated Press.The person, speaking to the AP on condition of anonymity Sunday because the Patriots hadn’t