An Australian equestrian athlete is suspended after a positive cocaine test.

By BY VICTOR MATHER from NYT Sports https://nyti.ms/3Boq4f9

Why Marijuana Can Disqualify a Runner From the Olympics

By BY VICTOR MATHER from NYT Sports The World Anti-Doping Agency has said that marijuana “can be performance enhancing,” could pose risks to athletes and violates “the spirit of sport.”https://nyti.ms/3heRITC

Why Marijuana Can Disqualify a Runner From the Olympics

By BY VICTOR MATHER from NYT Sports The World Anti-Doping Agency has said that marijuana “can be performance enhancing,” could pose risks to athletes and violates “the spirit of sport.”https://nyti.ms/3dF4dWF

An Abortion, a Missed Drug Test and Altered Records Add Up to Trouble

By BY JULIET MACUR from NYT Sports Brianna McNeal said she didn’t open her door to antidoping officials because she was traumatized after having an abortion. They don’t believe her story.https://nyti.ms/3x7e5A5

Did a Burrito Cost an American Runner Her Olympic Dream?

By BY ALANIS THAMES from NYT Sports Shelby Houlihan, a medal favorite, will miss the U.S. Olympic trials after she tested positive for a banned steroid. She has blamed a food-truck meal.https://nyti.ms/2TC6gmV

On the Airwaves, Baffert Rails Against Cheating Allegations

By BY JOE DRAPE from NYT Sports A day after the Kentucky Derby winner Medina Spirit was revealed to have failed a drug test, the horse’s trainer cited “cancel culture” in his denials.https://nyti.ms/3fbapW3

Bob Baffert at the Breeders’ Cup: Awash in Favorites and Suspicion

By BY JOE DRAPE from NYT Sports Horse racing is under scrutiny again, as its top American trainer comes to the season’s final event with a record of four failed drug tests in the past six months.https://nyti.ms/3l4CzE3

Charlatan, a Belmont Stakes Contender, Tests Positive for a Banned Substance

By BY JOE DRAPE from NYT Sports Charlatan was one of two horses trained by Bob Baffert that tested positive for a banned numbing agent at a recent meet in Arkansas.https://nyti.ms/3eqyohZ

N.F.L. Bows to Marijuana’s New Status

By BY KEN BELSON from NYT Sports The league’s new labor agreement eased rules about players’ use and caught up with many sports that had already liberalized their policies.https://nyti.ms/2V44wkP

M.L.B. Updates Drug Policy to Include Opioid Testing

By BY JAMES WAGNER from NYT Sports Major league players will now be tested for opioids and cocaine, but violators will be evaluated for treatment programs rather than immediately punished.https://nyti.ms/2PKob5k

For Salazar Whistle-Blowers, a Long Wait for a Satisfying Outcome

By BY MATTHEW FUTTERMAN from NYT Sports They lost money, jobs and friendships. Yet they said they had to speak up about the running coach now suspended for doping violations.https://nyti.ms/2Vhn5k0

World Bridge Federation Suspends a Top Player After He Failed a Drug Test

By JULIA JACOBS from NYT Sports Geir Helgemo, a Norwegian player, will not be allowed to compete for several months after a random drug test found the presence of banned substances, officials said.https://nyti.ms/2Tfr5nh

Alabama Suspends 3; Clemson Players Fail Drug Test

By THE ASSOCIATED PRESS from NYT Sports Nick Saban said three Crimson Tide players did not travel with the team to Miami for breaking team rules, and the Tigers could be without three players over a failed N.C.A.A. test.https://nyti.ms/2EQM9Jn

Jenrry Mejia, Barred for Life in 2016, May Return to the Mets Next Season

By DAVID WALDSTEIN from NYT Sports Mejia, the former Mets closer who failed three tests for performance-enhancing drugs, was conditionally reinstated by M.L.B. on Friday.https://nyti.ms/2uaN4fW

Alias Thomas Mann

By MICHAEL POWELL from NYT Sports Investigators believe a man in Arizona was distributing performance-enhancing drugs on a massive, global scale, yet no charges have been filed. His clientele included pro athletes.https://nyti.ms/2pHCtaE