Serena Williams, 44, makes shock Wimbledon singles return days after announcing doubles comeback with sister Venus

SERENA WILLIAMS will play Wimbledon singles next week aged 44 -- in her first match for four years. The 23-time Grand Slam singles champion will be aiming for one last major after taking a wildcard off the All England Club. Williams is one shy of equalling Margaret Court's tally of 24 singles Slams, which has...