Former WEC champion Brian Bowles has tested positive for elevated levels of testosterone-to-epitestosterone.

Bowles’ test came after his loss to George Roop at UFC 160 last month. The Nevada Athletic Commission confirmed the test.

The remaining tests all came back clean from the event, which featured Cain Velasquez defending his UFC heavyweight title.

Bowles is likely to be fined and suspended. He is 2-2 since coming over to the UFC from the WEC.