SANTA CLARA, Calif. (AP) Offensive tackle Anthony Davis says he plans to return to the NFL after announcing his retirement a little more than a year ago.

Davis said Monday on Twitter that he has sent his reinstatement letter to the NFL and the San Francisco 49ers. He announced his retirement at age 25 in June 2015 following a head injury but left open the possibility of a comeback after sitting out a year to get healthy.

Davis was the 11th overall pick by San Francisco in the 2010 draft. He started 71 games in five seasons and appeared in eight playoff games with the 49ers.

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The 49ers retain his rights and will have to clear a spot on the roster once he is officially reinstated by the league.

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AP NFL website: www.pro32.ap.org and www.twitter.com/AP-NFL