Serena Williams wins praise from fellow pros at Wimbledon after 1st singles match in nearly 4 years

Serena Williams tweaked her knee during Wimbledon return, but still aims to play doubles

There were still serves beyond 120 mph. Plenty of heavy groundstrokes landing within inches of the baseline, too. Serena Williams won plenty of praise about her game from her fellow players at Wimbledon a day after her…