Doping

Cleveland Browns running back Nick Chubb (24) rushes for a touchdown during the second half of an NFL football game against the New York Jets, Sunday, Dec. 27, 2020, in East Rutherford, N.J. (AP Photo/Bill Kostroun)

Miami Dolphins quarterback Ryan Fitzpatrick (14) warms up before an NFL football game against the Cincinnati Bengals, Sunday, Dec. 6, 2020, in Miami Gardens, Fla. The Miami Dolphins need a good game Sunday to ensure they get to keep playing, and that's especially true for Tua Tagovailoa. Coach Brian Flores has benched Tagovailoa twice in the fourth quarter, including last week at Las Vegas, when backup quarterback Ryan Fitzpatrick helped Miami overcome a pair of deficits in the final 10 minutes. (AP Photo/Wilfredo Lee)

FILE - In this Thursday, Sept. 17, 2020 file photo, Cleveland Browns strong safety Andrew Sendejo (23) tackles Cincinnati Bengals wide receiver Tyler Boyd (83) after a pass reception during the second half of an NFL football game in Cleveland. The Cleveland Browns added starting safety Andrew Sendejo and rookie tight end Harrison Bryant to their lengthy COVID-19 list, Tuesday, Dec. 29, 2020. (AP Photo/Ron Schwane, File)

FILE - In this July 26, 2019, file photo, China's Sun Yang leaves the pool deck following the men's 4x200m freestyle relay heats at the World Swimming Championships in Gwangju, South Korea. The World Anti-Doping Agency says a Swiss court has overturned an eight-year doping ban against Chinese swimmer Sun Yang and ordered the case back to the Court of Arbitration for Sport for a second time but with a different chairman of the judges. (AP Photo/Mark Schiefelbein, File)

In this image provided by Hodges Photography, Quick Tempo with Adam Beschizza aboard led gate to wire to win the 71st running of the Sugar Bowl Stakes horse race at Fair Grounds race course, Saturday, Nov. 19, 2020, in New Orleans. (Jan Brubaker/Hodges Photography via AP

FILE - In this Saturday, Feb. 17, 2018 file photo Russian supporter waves a flag before the preliminary round of the men's hockey game between the team from Russia and the United States at the 2018 Winter Olympics in Gangneung, South Korea. Russia was banned Thursday Dec. 17, 2020 from using its name, flag and anthem at the next two Olympics or at any world championships for the next two years. The Court of Arbitration for Sport's ruling also blocked Russia from bidding to host major sporting events for two years. (AP Photo/Matt Slocum, File)

President of the Russian Olympic Committee Stanislav Pozdnyakov attends a news conference in Moscow, Russia, Thursday, Dec. 17, 2020. The Court of Arbitration for Sport confirmed Russia's flag and anthem are barred from next year's Olympics in Tokyo and the 2022 Winter Games in Beijing on Thursday. (AP Photo/Alexander Zemlianichenko)

FILE - In this Feb. 23, 2014 file photo the Russian national flag, right, flies after it is hoisted next to the Olympic flag during the closing ceremony of the 2014 Winter Olympics in Sochi, Russia. The ruling on whether Russia can keep its name and flag for the Olympics will be announced on Thursday Dec. 17, 2020. The Court of Arbitration for Sport said Wednesday that three of its arbitrators held a four-day hearing last month in the dispute between the World Anti-Doping Agency and its Russian affiliate, known as RUSADA. (AP Photo/Matthias Schrader, file)

Spectators wearing face masks to protect against coronavirus watch the Champions League group F soccer match between Zenit St.Petersburg and Borussia Dortmund at the Saint Petersburg stadium in St. Petersburg, Russia, Tuesday, Dec. 8, 2020. (AP Photo/Dmitri Lovetsky)

Indiana players celebrate in the final seconds of an NCAA college football game against Wisconsin Saturday, Dec. 5, 2020, in Madison, Wis.Indiana won 14-6. (AP Photo/Morry Gash)