* Germany’s Alex Zverev said on Tuesday he had appointed Ivan Lendl to his coaching team as he looks to convert his burgeoning potential into Grand Slam success. * Benfica’s run of eight straight appearances in the group stage is in danger after PAOK Salonika snatched a 1-1 draw in Lisbon in the Champions League playoff round on Tuesday (Aug 21). * China’s Liu Xiang sparked an explosive night of Asian Games swimming by smashing the world record in the women’s 50m backstroke on Tuesday (Aug 21). The 21-year-old set the first new world best time at the six-day Jakarta meet, storming to gold in 26.98 – the first time a woman has broken the 27-second barrier. * German manager Thomas Doll has left Hungary’s Ferencvaros by mutual consent after five years in charge, the club said on Tuesday. Former Germany international Doll, 52, took over the most prestigious Hungarian club in 2013 and led them to the league title in 2016 and three Cup triumphs. * Northern Ireland midfielder Chris Brunt has announced his retirement from international football, the Irish Football Association said on Tuesday. The 33-year-old West Bromwich Albion player won 65 caps for his country across a 14-year period. * Kiki Bertens, who won the Cincinnati Masters title on Sunday, has pulled out of this week’s Connecticut Open with a viral illness, tournament organisers said on Tuesday.