ANDERSON, Ind. (AP) Indianapolis Colts defensive lineman Arthur Jones blames himself for the failed drug test that led to a four-game suspension.
After arriving at camp Tuesday, Jones told reporters he had not checked the ingredients of a supplement he was taking or check the supplement with the league office.
Jones was suspended Friday for violating the league policy on performance-enhancing substances.
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Since joining the Colts in 2014, he has struggled to stay on the field.
Jones missed all of 2015 with an injured left ankle and seven games in 2014 with an injured right ankle. He can practice with the team and play in preseason games before serving the suspension but will not be eligible to return to the team until Oct. 3.
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