U.S. Open champion Bianca Andreescu returned to her hometown a conquering hero on Wednesday with a little more celebrating to do before getting back to work and setting new goals, such as staying injury-free. Looking weary after a whirlwind media tour of New York, Andreescu said she was running on adrenaline after her shock straight sets win over 23-times Grand Slam champion Serena Williams in the final of the U.S. Open on Saturdayreadfullarticle