Foster told Rapoport that it was a diluted urine sample, but that's treated as a positive test by the NFL.
This explanation is plausible, dehydration would likely cause a diluted sample. "I just hope the coaches understand and that's all I can hope and pray for", he told Rapaport.
Foster said he was cramping and couldn't keep anything down due to throwing up and diarrhea before the Combine. According to the result, he was ill prior to the combine and in lieu of taking IV fluids, as a doctor recommended, Foster took matters into his own hands and overdosed on "water and Gatorade", he said. Provisions in the NFL's policy and program for substances of abuse treat this like a positive test. I don't care what everybody thinks, but I care what coaches think.
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But an EPA official told CNN the initial report saying the agency is considering shutting down the Chicago office is false. O'Grady said buyouts and early retirements won't achieve that goal, because the math makes it unrealistic.
Reuben Foster was at the NFL Combine trying to prove to teams he made a full recovery from rotator cuff surgery. A potential Foster-Mosley pairing in the middle of a Dean Pees defense is a ticket I can very much get behind.
Foster, once regarded as a potential top-10 pick in the National Football League draft, was sent home from the combine after a "heated altercation" with a hospital worker, sources told ESPN on March 4.
He was also asked why it was diluted, and he said he was sick, perhaps with food poisoning. "Then I went in there, drinking and drinking water, trying to flush out my system from whatever was making me sick and trying to keep my weight up and took the test". Foster spoke right before addressing his former Bama teammates about the pre-draft process and what it's been like. "I hope I go on Thursday, but I can't control that". "I try to be a good person", Foster said. It's hard to imagine a player having a more disastrous Combine than Foster did, as he was sent home early, didn't participate in on-field drills, and failed a drug test.