The Patriots head into the weekend with a po sible concern about quarterback Tom Brady.

New England for its late- Jordy Mercer Jersey afternoon game Sunday vs. the Cowboys, but NFL Network's Ian Rapoport . Brady was a limited participant in Friday's practice, the team said.

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Brady, 42, has displayed legendary durability throughout his career. He has started all 10 of New England's games this season, Mikie Mahtook Jersey and aside from 2016, when he was suspended by the NFL for the first four games for his role in Deflategate, and 2008, when he suffered season-ending knee injury in Week 1, he has started all 16 games every year from Shane Greene Jersey 2002-18.He started 14 of 14 games after taking over for an injured Drew Bledsoe as the No. 1 QB in Week 3 of the 2001 season.

If Brady cannot go Sunday, then Matt Moore Jersey rookie Jarrett Stidham would take over. Stidham, 23, has thrown four pa ses, completing two, this year. He also has thrown an interception, which the Jets' Jamal Adams returned for a touchdown.

Brady has led the Patriots to a 9-1 Dixon Machado Jersey record, but several of his key numbers are down compared to recent years. His completion percentage (63.7), yards per attempt (7.0) and pa ser rating (90.7) are all at their lowest since the 2013 season.

New England leads the AFC East by two games over the Bills and also have a head-to- Alex Wilson Jersey head tiebreaker over Buffalo.