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Here's what we know: Le'Veon Bell is looking at a four-game suspension for reportedly missing multiple drug tests. But the Steelers running back maintains that he'll be cleared of any wrongdoing, and won't miss any time.

"I'm gonna win the appeal," Bell wrote on Instagram over the weekend. "... [People] have no idea what happened, but don't worry ... let 'em hate, when I end up missin' no games at all, [people] for sure gonna try to love me again and I'm only ridin' with my LOYAL fans!! I appreciate you bro."

But players rarely have their suspensions overturned, though at least one media member suggests Bell could be the exception. First, according to Pittsburgh radio host Stan Savran, Bell missed his test date(s?) because he changed his cell phone number.

Second, ESPN's John Clayton explains how Bell could avoid punishment:

Clayton concludes with what most people already assume to be true: "Still, Bell might find it hard to win this case, but he's going to try."

Translation: Bell's facing long odds.

A year ago, Bell was suspended for the first two games of the 2015 season for DUI and marijuana possession. And last month, a Pittsburgh sports radio host first floated the idea that the running back could be facing another suspension.

Here's Bell's response in June when asked about the rumor:

"I don't know what you are talking about," he said at the time. "I am fine. I haven't missed any drug tests, failed any drug tests. I can't keep talking about the drug test. I probably already said too much about it so I really can't keep talking about it. People are going to say what they want to say on the internet. It is people who really have nothing to do. I don't get upset or let it bother me."

And maybe Bell didn't have any idea about missed drug tests because he reportedly had a new cell phone number. Of course, NFL commissioner Roger Goodell famously told the Saints that ignorance wasn't an excuse during the Bountygate scandal, and it might not fly here either.

In fact, according to the NFL's "Policy and Program on Substances of Abuse," Section 1.6 Location Information and Notice states: "Players who are in the Intervention Program are required to provide the Medical Advisor and Medical Director with an address and telephone number where they can be reached at all times, and the Medical Advisor shall attempt to notify the Player using the method that is reasonably calculated to provide notice to the Player in a timely manner."

If Bell successfully wins his appeal -- and it's not clear he will -- he'll theoretically be available for the Steelers' season opener against the Redskins on Sept. 12. But here's another mitigating circumstance to consider: Bell could still be recovering from the knee injury that forced him to miss the final two months of the 2015 season.