Ryan Garcia's B-sample returns positive result

(Photo credit: Albert Cesare/The Enquirer / USA TODAY NETWORK)

A B-sample requested by boxer Ryan Garcia came back positive for the banned substance Ostarine on Thursday.

Garcia, though, maintains his innocence and is now claiming that contamination caused a positive test in both his A- and B-samples prior to his fight against Devin Haney last month.

Garcia requested the B-sample be tested after his A-sample screened po