Arian Foster retires from the NFL!

Miami Dolphins running-back Arian Foster has said he is done in the NFL. He has been a franchise leader in Houston Texans organization, through out his career. "There comes a time in every athlete's career when their ambition and their body are no longer on the same page. I've reached that point," Foster wrote.Jay Ajayi's emergence minimizes loss of Arian Foster for DolphinsWith Jay Ajayi pushing Arian Foster to a backup role, Foster's decision to retire rather than fight through injuries probably is best for all parties.

Foster had been a four-time Pro Bowler for the Houston Texans, but suffered a torn Achilles tendon in October 2015 and was released during the offseason in March.He signed with Miami to a one-year, $1.5 million dollar deal one week before training camp.He finishes his career with 6,527 rushing yards and 54 touchdowns, and left Houston as the franchise record holder in rushing yards."This game has been everything to me ... my therapy, my joy, my solace and my enemy. I've learned to love every facet of this game, from the peak of accomplishment to the gutter of criticism, " Foster wrote.

Foster added: "I am walking away in peace. I know it is not commonplace to do it midseason but my body just can't take the punishment this game asks for any longer."Double TroubleArian Foster, who holds the Texans' franchise record with 6,472 yards rushing, was a true threat both running and receiving, averaging 110.9 scrimmage yards per game in his NFL careerPLAYER YDS FROM SCRIMMAGE: Jim Brown 125.5

Barry Sanders 118.9

Adrian Peterson 112.0

Walter Payton 111.9

Arian Foster 110.9

*Minimum 80 games played

The retirement is effective immediately.Texans coach Bill O'Brien learned of his former player's retirement following Houston's 27-9 Monday night loss to the Broncos.

"One of the smartest players that I've coached. Great zone runner, excellent vision, big," O'Brien said at his postgame press conference. "What we found with him was how good he was out of the backfield in the passing game. He was excellent in the passing game. Great receiving back so lot of respect for Arian." There won't be another Arian Foster in the league.