Top seed Andy Murray sped into the Australian Open third round on Wednesday but bad boy Nick Kyrgios was booed and accused of not trying as he crashed to a stormy defeat.
Runners-up in 2015, Ghana started their latest Africa Cup of Nations bid with victory over Uganda thanks to Andre Ayew's penalty on Tuesday, while Egypt drew 0-0 with Mali on their long-awaited return to the tournament.
Asian title-holders Jeonbuk Hyundai Motors have been banned from this year's AFC Champions League over a match-fixing scandal in South Korea's K-League, Asia's football governing body said on Wednesday.
Spanish World Cup winner and double European champion Xabi Alonso is set to retire at the end of the season when his Bayern Munich contract expires, a report in Germany said.
Louis van Gaal says he is not definitely done with football just yet, after appearing to suggest earlier this week that he was retiring from the game at 65.
Christian Benteke spared Sam Allardyce's blushes as the Crystal Palace striker came off the bench to inspire a 2-1 win over Bolton, while Lincoln and Sutton pulled off shock victories in Tuesday's FA Cup third round replays.
Manchester United have appointed a counter-terrorism manager and believe they are the first Premier League club to do so, reports said on Wednesday.
The number of football clubs who have been brought up in the historic sex abuse enquiry which has rocked the sport has risen by 100 in the past month to 248 in figures released on Wednesday.