Police Killed George Floyd. Donald Williams II Punched Back.

Donald Williams II called 9-1-1 on Derek Chauvin and testified against the cop in court—but first he found courage in the violent cages of a combat sport. That history helps him grapple with the aftermath of a murder.

Donald Williams II called 9-1-1 on Derek Chauvin and testified against the cop in court—but first he found courage in the violent cages of a combat sport. That history helps him grapple with the aftermath of a murder.

David Sherman/Sports Illustrated

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