Jarrion Lawson cleared of doping in contaminated beef case

Jarrion Lawson competes in the mens long jump final at the U.S. Olympic Track and Field Trials, Sunday, July 3, 2016, in Eugene Ore. (AP Photo/Matt Slocum)LAUSANNE, Switzerland — The Court of Arbitration for Sport confirmed Monday it has overturned a four-year ban imposed on American long jumper Jarrion Lawson for a positive doping test caused by eating beef containing steroids.

The 2017 world championship silver medalist had announced Friday he could return to competition almost 20 months after his last event.

Lawson was unanimously cleared by three judges of any fault for the positive test, the court said. The judging panel included Richard McLaren, who led investigations into the Russian…