Sports medicine

A championship tab is sewn to the back of the jersey of Toronto Raptors guard Cameron Payne during the second half of a preseason NBA basketball game against the Chicago Bulls in Toronto, Sunday, Oct. 13, 2019. (Cole Burston/The Canadian Press via AP)

Kansas City Chiefs quarterback Patrick Mahomes holds his leg after he was tackled by Indianapolis Colts defensive ends Kemoko Turay and Justin Houston during the second half of an NFL football game in Kansas City, Mo., Sunday, Oct. 6, 2019. (AP Photo/Reed Hoffmann)

FILE - In this Sunday, Oct. 30, 2005 file photo, running back Ronnie Brown (23) runs against New Orleans Saints linebacker Sedrick Hodge (52) gives chase during the fourth quarter, in Baton Rouge, La. Federal prosecutors said Wednesday, Sept. 11, 2019, that former New Orleans Saint Hodge sold oxycodone pills in Cartersville, Georgia, just northwest of Atlanta. The 40-year-old Hodge is accused of illegal distribution of controlled substances, among other charges.(AP Photo/Bill Feig, File)

FILE - In this Jan. 26, 2018, file photo, then-New Orleans Pelicans center DeMarcus Cousins lies on the court while being tended to after an injury during the second half of an NBA basketball game against the Houston Rockets in New Orleans. A person with knowledge of the situation says Los Angeles Lakers center DeMarcus Cousins is undergoing tests to confirm a preliminary diagnosis of a ligament tear in his knee. Cousins was injured in a workout in Las Vegas this week, according to the person who spoke on condition of anonymity to The Associated Press on Thursday, Aug. 15, 2019, because no official diagnosis has been released publicly. (AP Photo/Gerald Herbert, File)

United States' Katie Ledecky reacts after her women's 1500m heat at the World Swimming Championships in Gwangju, South Korea, Monday, July 22, 2019. (AP Photo/Lee Jin-man)

FILE - In this Dec. 1, 2018, file photo, Alabama quarterback Tua Tagovailoa (13) is helped by medical staff during the second half of the Southeastern Conference championship NCAA college football game against Georgia, in Atlanta. More than one-third of college athletic trainers say coaches influence the hiring and firing of their schools' sports-medicine staffs, a finding that counters an NCAA-recommended protocol urging medical staff to make decisions about athlete health independent of coaches and administrators. (AP Photo/John Amis, File)

FILE - In this May 3, 2019 file photo, South Africa's Caster Semenya competes in the women's 800-meter final during the Diamond League in Doha, Qatar. Court documents released publicly for the first time this week reveal previously hidden details of Caster Semenya's 10-year battle with the international track body. In them, the two-time Olympic 800-meter champion said the IAAF accused her of intentionally running slowly at times to mask the alleged advantage she has from her elevated natural testosterone. She angrily denied the accusation. (AP Photo/Kamran Jebreili)

FILE - In this May 3, 2019, file photo, South Africa's Caster Semenya crosses the line to win gold in the women's 800-meter final during the Diamond League in Doha, Qatar. Semenya's lawyers say the Swiss supreme court has ordered track's governing body to suspend its testosterone regulations. The lawyers say Monday's, June 3, 2019, ruling allows Semenya to compete unrestricted in all female events. (AP Photo/Kamran Jebreili, File)

FILE - In this Saturday, Oct. 28, 2017, file photo, UCLA head coach Jim Mora looks toward the field against Washington in the first half of an NCAA college football game in Seattle. Three former UCLA football players are suing the school, alleging they suffered concussions and other injuries that worsened because they were forced to play instead of receiving proper treatment. The Los Angeles Times says former offensive linemen John Lopez, Poasi Moala and Zach Bateman are seeking more than $15 million each in suits naming UCLA regents, former coach Jim Mora, other staff and the NCAA. (AP Photo/Elaine Thompson, File)