ARLINGTON, TX - DECEMBER 20: San Francisco 49ers Quarterback Nick Mullens (4) stands in the pocket during the game between the Dallas Cowboys and San Francisco 49ers on December 20, 2020 at AT&T Stadium in Arlington, TX. (Photo by George Walk PHILADELPHIA - The Philadelphia Eagles agreed to terms with quarterback Nick Mullens on Monday.The 26-year-old Mullens spent his first four seasons with the San Francisco 49ers, going 5-11 in 16 starts.