The former Dolphins star averaged 5.8 yards per rush for the Eagles after his midseason acquisition, but the Super Bowl champs boast depth at this position and will not be afraid to use it. Ajayi broke out in 2016 with more than 1,200 rushing yards, but half of them came in three explosive games. The rest of the time, fantasy managers were frustrated. With chronic knee problems and constant backfield competition, Ajayi will struggle to hold RB2 status all season: