DAVIE, Fla. (AP) Miami Dolphins defensive end Dion Jordan has been placed on the reserve non-football injury list, meaning he's ineligible for the first six games of the season.

The move was expected after Jordan, the No. 3 overall draft pick in 2013, underwent minor knee surgery in late July. He received conditional reinstatement from the NFL last month following a 15-month suspension for his latest violation of the league's substance abuse policy, and has been taking part in team meetings.

The underachieving Jordan has played in only 26 games with one start and three sacks.

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Linebacker Zach Vigil, who is recovering from a back injury, was also placed on the non-football injury list Tuesday.

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