INDIAN WELLS, CALIFORNIA - OCTOBER 08: Jack Sock returns a shot to John Millman of Australia during the BNP Paribas Open at the Indian Wells Tennis Garden on October 08, 2021 in Indian Wells, California. (Photo by Matthew Stockman/Getty Images)
INDIAN WELLS, CALIFORNIA - OCTOBER 08: Jack Sock returns a shot to John Millman of Australia during the BNP Paribas Open at the Indian Wells Tennis Garden on October 08, 2021 in Indian Wells, California. (Photo by Matthew Stockman/Getty Images)