• Center Kate Koval departs after one season with Tigers

• Anna Minaeva of Russia joined team earlier this month

• Kim Mulkey hoped two could be ‘ambassadors’ for peace

Ukrainian center Kate Koval is leaving LSU less than two weeks after the Tigers brought in a player from Russia.

LSU coach Kim Mulkey said Monday night that Koval was leaving for “personal reasons”, adding that the program will “respect her privacy on her decision”.

• 215 of 235 donated brains showed signs of CTE

• Condition can only be diagnosed after death

• Symptoms include problems with memory and mood

At least one in four former NFL players who died between 2016 and 2021 was found to have had chronic ⁠traumatic encephalopathy (CTE), according to a study released on Tuesday.

Out of the 878 former players who died during that time frame, 235 donated their brains for study, researchers said, with 215 ⁠of those donated brains ⁠found to have CTE, ​a degenerative disease that can only definitively be diagnosed after death. CTE is associated with repeated blows to the head, including concussions. Symptoms include difficulty with attention and memory, dementia, mood disorders and headaches.

• López wins majority decision to claim WBA crown

• Romero brands judges’ verdict a ‘robbery’

• New champion adds to previous 135lb, 140lb belts

Teófimo López became a three-division world champion on Saturday night, winning a 12-round majority decision over Rolando ‘Rolly’ Romero to claim the WBA welterweight title at T-Mobile Arena in Las Vegas.

López prevailed by scores of 115-113 and 116-112, while the third judge saw the fight even at 114-114. Romero, making the first defense of his title won against Ryan Garcia 15 months ago, disputed the result in the immediate aftermath.

• Player booed during team’s preseason loss to Bills

• QB has battled injuries during time in Cleveland

• Watson was suspended over sexual assault allegations

Browns quarterback Deshaun Watson has called the booing he heard from the team’s own fans during Saturday’s home loss to Buffalo “disrespectful” and “personal.”

Watson, who has a complicated relationship with Cleveland fans because of injuries, off-field issues – including an NFL suspension in 2022 – and a massive, $230m contract, was booed repeatedly during the second half of the 31-7 loss to the Bills.

• 39-year-old collapsed during event in June

• American won world title in 2011

Former 1500m world champion Jenny Simpson says she will not return to running after she collapsed during a track event in June.

Simpson, a three-time Olympian and one of the most accomplished American female runners in history, was pacing a mile group at an event in North Carolina when she went into cardiac arrest. She was given CPR before she was rushed to hospital, where she was placed on life support due to issues with her heart and lungs.