German goalkeeper Oliver Baumann has been diagnosed with concussion after an incident which he says shows referees need to act swiftly to cut the risk of players suffering head injuries.

Baumann was playing for Hoffenheim on Saturday in the German Bundesliga when he collided with Borussia Dortmund midfielder Carney Chukwuemeka, who was sprinting toward Baumann's goal.

Barcelona's high-scoring attack will face Inter Milan's stingy defense in the opening game of their Champions League semifinal on Wednesday.

Barcelona has the best attack in the competition with 37 goals scored, while the Italian visitors have allowed just five goals and kept a tournament-best eight clean sheets.

Paris Saint-Germain forward Ousmane Dembele didn't seem too worried about a minor injury he sustained after scoring in Tuesday's 1-0 win over Arsenal in the Champions League semifinals.

Dembele scored in the fourth minute but then had to leave the field in the 70th with an apparent hamstring problem.

Strange things happen when Inter Milan plays Barcelona in the Champions League semifinals.

The last time the two teams met in the final four of Europe's elite club competition, in 2010, Barcelona had to make a 15-hour journey by bus to Milan after an ash cloud caused by the eruption of the Icelandic volcano Eyjafjallajokull shut down air space.

Real Madrid defender Antonio Rüdiger underwent knee surgery on Tuesday and is expected to miss the rest of the season.

Madrid said Rüdiger successfully underwent surgery on a meniscus tear in his left knee and will begin "his recovery process shortly." The club did not give a timeline for his return.

Barcelona is on course for a hat trick of European titles after beating Trabzonspor 4-1 in the UEFA Youth League final on Monday.

It was won the day after Barcelona reached the Women's Champions League final and two days before the men's team hosts Inter Milan in the first leg of the Champions League semifinals.

Power was restored at the Caja Magica tennis complex Tuesday and the Madrid Open resumed with a packed schedule following a day in which 22 matches had to be postponed.

After a major blackout, most parts of Madrid regained power Monday night but organizers said the Caja Magica was still without electricity early Tuesday, prompting a delay in the opening of the gates for fans.

A selfie with Mohamed Salah. An impromptu sing-along with Arne Slot. Fireworks and flares.

It was party time at Anfield as Liverpool sealed the Premier League title in style.

Big-spending Saudi clubs including Cristiano Ronaldo's Al-Nassr are dominating the Asian Champions League Elite, accounting for all but one of the semifinalists in action this week.

In three quarterfinals played on the weekend, the three Saudi Pro League teams won with a combined scoreline of 14-1. At least one is guaranteed a place in the final on May 3 as four-time champion Al-Hilal meets two-time finalist Al-Ahli in the first of the two semis at Jeddah.

The free-flowing attack of Barcelona comes up against the rugged, smothering defense of Inter Milan in the Champions League semifinals.

Ring any bells?