Serena Williams' first US Open tune-up ended in dramatic fashion as she retired with injury while trailing Canadian teenager, Bianca Andreescu, 3-1 in the Rogers Cup final on Sunday..
Williams, who hopes to chase a record-equalling 24th career grand slam title at the US Open, suddenly sat crying in her chair before deciding to retire 19 minutes into the match with a back spasms..
"I'm sorry I couldn't do it today. I tried but I just couldn't do it," a tearful Williams, who struggled to get the words out, told the crowd. "It's been a tough year but we'll keep going."
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