For the third time as many days this week, the nation's third-leading trainer by wins for 2020 has been fined and had a winner disqualified for a Class 4 drug positive. According to a Sept. 2 ruling issued by the Oklahoma Horse Racing Commission, the Robertino Diodoro-trained Erebuni (Ministers Wild Cat) came up positive for dexamethasone in post-race serum testing after winning the 10th race at Will Rogers Downs May 4. The race was a $5,000 NW4L claimer in which the mare was favored at 19-10 odds. Dexamethasone is an...