The NFL is still analyzing the substance that led to the league issuing a suspension of New England Patriots wide receiver Julian Edelman, per a published report.
Albert Breer of The Sports Illustrated reported that the substance wasn't "immediately recognizable" and is being analyzed.
Breer declared that the test came in the offseason "a couple months ago." That rules out stimulants, which are included in the substances of abuse policy, separate from the performance-enhancing policy.
Edelman, who is appealing his suspension, did not acknowledge violating the league's policy on performance-enhancing substances in the posting on his Instagram account last week.
"I am very sorry -- I don't know what happened," Edelman wrote on the posting. "I've taken many, many tests obviously over the course of my career, and nothing like this has ever happened. I apologize to the Kraft family, my coaches, teammates and fans.
"As this matter is being appealed, I can't say anymore but no matter what, I will be ready to play and pursue another championship with our team and for Patriots fans around the world."
Edelman missed the entire 2017 season after suffering a torn ACL in an exhibition contest in August.
The 32-year-old Edelman trains with Alex Guerrero, who defended his methods in a statement on Thursday night.
"I've known Julian since his rookie year and he is a phenomenal athlete who takes his training seriously -- it's disappointing to hear today's news," Guerrero said. "Elite athletes sometimes work with multiple coaches and health professionals as part of their training.
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