While 113 big leaguers had exemptions in the past year to use otherwise banned substances to treat Attention Deficit Hyperactivity Disorder, Adderall caused eight of the 10 positive tests for stimulants under Major League Baseball’s drug program.
Orioles slugger Chris Davis was suspended 25 games without pay on Friday for using amphetamines, a punishment that will extend into the postseason.
Allmendinger was suspended in July for failing a random drug test a month earlier. His backup “B” urine sample also tested positive for a substance NASCAR has not revealed.
Suspended driver A.J. Allmendinger says he tested positive for prescription Adderall.