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Football death: Alabama A&M linebacker Medrick Burnett tragically died on Friday, five weeks after he was injured in a head-to-head collision during a game, which caused brain bleeds and swelling. He was 20 years old.

Another positive test: Three months after men’s No. 1 Jannik Sinner tested positive for a banned substance (clostebol), women’s No. 2 Iga Świątek tested positive for a different banned substance (trimetazidine) and received a one-month ban.

Luck’s new gig: Andrew Luck is returning to his alma mater to become the general manager of the Stanford football program, where he’ll be involved in everything from recruiting and roster management to fundraising and alumni relations.

MLB moves: