In 2011, the NFL and its players' union announced an agreement to test players for human growth hormone. Three years later, the parties have yet to implement HGH testing.
The viability of the tests remain at issue. In baseball, where the league and union put HGH tests in place in 2011, a minor league player was suspended Monday without a positive test.
Michael Clemens, 21, a pitcher in the rookie-level Appalachian League, was suspended for 68 games Monday "for his possession and use of human growth hormone," according to a statement from the commissioner's office.
Clemens was suspended based on what is called a "non-analytical" violation -- essentially, evidence besides a positive test, according to a person familiar with the matter but not authorized to discuss it. Such evidence could include documents, clinic records and shipping information.
That kind of evidence -- rather than a positive test -- resulted in the 14
After a two-year federal investigation dubbed "Operation Strikeout," Biogenesis founder Tony Bosch was arrested this month. He has agreed to plead guilty to a conspiracy to distribute testosterone, according to court records.
At the time of his arrest,