Bayern Munich have implored their fans to stop whistling winger Leroy Sane ahead of the Bundesliga champions' home match against bottom club Hertha Berlin on Saturday.

Bayern thrashed fifth-tier Bremer 12-0 in the German Cup on Wednesday with back-up striker Eric Maxim Choupo-Moting scoring four goals, including a first-half hat-trick.

Liverpool and Chelsea face off in the first heavyweight clash between title contenders of the Premier League season, while Arsenal aim to get off the mark when they visit Manchester City on Saturday.

Arsenal suffered at the hands of Chelsea last weekend as Romelu Lukaku scored on his second debut in a 2-0 win for the Blues.

Despite the continuing devastating impact of the Covid-19 pandemic, Real Madrid have still been able to make a 160 million-euro ($188m) bid for Paris Saint-Germain star Kylian Mbappe and are in a "win-win" position.

The offer was rejected with PSG's sporting director Leonardo saying on Wednesday it was "not enough" for the 22-year-old who arrived from Monaco four years ago in a 180 million-euro deal.

It's been nearly a quarter of a century since Serena Williams, Roger Federer and Rafael Nadal all sat out the same Grand Slam tennis tournament.

That changes next week, when the U.S. Open will start at Flushing Meadows without any member of that distinguished and dominant trio. Williams, whose 40th birthday is in September, withdrew on Wednesday, joining Federer, who turned 40 this month, and Nadal, who is 35, on the sideline because of injuries. Williams' older sister, 41-year-old Venus, also pulled out of the field Wednesday.

Top-ranked Novak Djokovic will try to complete the first calendar-year men's singles Grand Slam since 1969 and become the all-time men's leader in Slam titles by capturing the US Open.

Five past champions won't be in the field when the showdown begins Monday on the New York hardcourts, with Roger Federer, Rafael Nadal, Stan Wawrinka, Juan Martin del Potro and 2020 winner Dominic Thiem absent due to injuries.

The youngest Paralympian in Tokyo took to the pool on Thursday looking to change attitudes to disability, as powerlifting and equestrian events kicked off on the second day of competition.

In a reminder of the continuing risks posed by the pandemic, organizers said another two athletes had tested positive for the virus in the Paralympic Village, but insisted the Games would remain safe.

Manchester City manager Pep Guardiola says he'd like to coach a national team after his contract with the English club ends in 2023.

Speaking to Brazilian investors on Wednesday, the 50-year-old Spaniard said he plans to see out his contract with City but could go into international management after that.

Harry Kane announced on Wednesday he will remain at Tottenham this season, ending speculation over his future with Manchester City interested in the England captain.

Serena Williams has pulled out of next week's US Open because of a hamstring injury, the 23-time Grand Slam winner announced on her Instagram page on Wednesday. 

"After careful consideration and following the advice of my doctors and medical team, I have decided to withdraw from the US Open to allow my body to heal completely from a torn hamstring," wrote the 39-year-old American.  

Real Madrid have offered 160 million euros ($188 million) to Paris Saint-Germain for France World Cup winner Kylian Mbappe, French and Spanish media reported on Wednesday.

According to outlets L'Equipe and Le Parisien the Ligue 1 club have rejected the proposal for 22-year-old Mbappe, whose contract at the Parc de Princes expires next June.