Agnieszka Radwanska Announces Retirement from Professional Tennis   ·     Former WTA World No.2 and 2015 WTA Finals champion to end illustrious career following 20 career titles ·     First Polish player, man or woman, to reach a Grand Slam singles final at 2012 Wimbledon   Poland's Agnieszka Radwanska … [Read more...] about Agnieszka Radwanska Announces Retirement from Professional Tennis