US Open 2021: Serena Williams' coach Patrick Mouratoglou explains why injury forced legend to withdraw CBS Sports 27 Aug 2021 In essence, it was a race against the clock for Serena Williams
Serena Williams injury: Six-time US Open champ withdraws from event with hamstring issue CBS Sports 25 Aug 2021 One of tennis' biggest stars will not be in Flushing Meadows when the competition begins Monday