Aryna Sabalenka pulled out of Wimbledon because of a shoulder injury as the tournament started on Monday, overshadowing early results as everyone waited to find out whether Andy Murray would deem himself fit enough to compete.
Sabalenka, the two-time Australian Open champion, said she was "heartbroken" to announce her withdrawal after it became clear in a practice session that she wasn't ready.
The No. 3 seed was seen as top contender at the All England Club, which has seen seven different...