A dejected Lewis Hamilton said on Friday that nothing being done to his under-performing Mercedes was making a difference after he managed just 13th in second practice for the Australian Grand Prix.

Liverpool manager Jurgen Klopp said facing Manchester City is the toughest task in football and hailed Pep Guardiola as the world's best coach.

Klopp's side visit City on Sunday in a crucial clash in the Premier League title race.

Paris Saint-Germain remain hopeful that Kylian Mbappe will sign a new contract to stay at the club with just eight games left this season before his existing deal expires.

A look at what's happening in European soccer on Wednesday:

CHAMPIONS LEAGUE

Russian federations and athletes have filed multiple legal challenges to fight their bans from international sports events because of their country waging war on Ukraine.

The Court of Arbitration for Sport has said that Russian officials have filed appeals against governing bodies in soccer, figure skating and speed skating, gymnastics, rowing, rugby and biathlon.

It was the best of moments - or the worst of moments - in soccer history, and now sports fans with deep pockets can own a piece of it.

The shirt worn by Diego Maradona when he scored the controversial "Hand of God" goal against England in the 1986 World Cup is for sale for the first time.

Atlético Madrid wasn't making any excuses for the overly defensive style it used in the first leg against Manchester City in the quarterfinals of the Championship League on Tuesday.

Coach Diego Simeone and his players were actually proudly defending it.

AC Milan missed the chance to pull three points clear at the top of Serie A as it was held to a 0-0 draw by Bologna on Monday.

The result left Milan just one point ahead of second-place Napoli with seven matches remaining. Defending champion Inter Milan was four points behind its city rival but having played a match fewer.

Iga Swiatek has moved up one spot to the top of the WTA rankings, becoming the first tennis player from Poland to be No. 1 in the sport.

The 20-year-old Swiatek — pronounced shvee-ON-tek — takes over from Ash Barty, who announced last month she would be retiring at the age of 25 after more than two years at No. 1.

Real Madrid will likely be without coach Carlo Ancelotti for the first leg of the Champions League quarterfinals against Chelsea because of COVID-19.

Ancelotti tested positive for the coronavirus last week and did not travel to London with the rest of the squad on Tuesday.