Seven-time champion Roger Federer and Rafael Nadal, the 2008 and 2010 winner, raced into the Wimbledon second round Tuesday as the tournament sweltered in near record-breaking heat.

Second seeded Federer, bidding to become the first man to win eight Wimbledon titles and take his majors tally to 18, enjoyed a 67-minute 6-1, 6-3, 6-3 win over Damir Dzumhur of Bosnia, the world number 88 he beat at the French Open this year.

Wimbledon, for long associated with depressing rain delays, will introduce emergency playing rules for hot weather for the first time on Wednesday when temperatures are expected to reach the mid-30s.

Organizers say a heat rule, which allows for a 10-minute break between the second and third sets of women's matches, can be called for when temperatures rise above 30.1 degrees.

Striker Eduardo Vargas scored twice to lead Chile to a 2-1 win over 10-man Peru in the semifinals of the Copa America on Monday, keeping alive the host's hopes of winning the South American tournament for the first time.

Vargas scored the winner with a long-range shot that found the upper corner in the 64th minute, sending the home-crowd favorites to their first Copa America final in 28 years.

The Dutch football federation terminated the contract of national team coach Guus Hiddink on Monday, ending his second stint in charge after just one disappointing season.

The KNVB said that Hiddink's contract will now end on Wednesday. It had been set to last through next year's European Championship.

European football is lifting some of the restrictions on club spending in an attempt to make more teams competitive and ensure clubs are more attractive for new investors.

UEFA on Monday agreed to relax some of its Financial Fair Play rules, allowing clubs a period of accelerated spending on players if they present an affordable business model and show they are not "gambling on success."

Petr Cech has agreed to join Arsenal from Premier League champions Chelsea on a "long-term contract for an undisclosed fee", the Gunners announced on their website on Monday.

The 33-year-old Czech international goalkeeper made over 400 appearances during 11 years at Stamford Bridge, but has recently found himself playing understudy to Thibaut Courtois.

A pumped-up Serena Williams kicked off her campaign for a sixth Wimbledon singles title with a straight sets victory on Monday.

The world number one, who is also chasing a rare calendar Grand Slam having already won the 2015 Australian and French Opens, began her bid for the third of the four majors with a 6-4, 6-1 win over Russian qualifier Margarita Gasparyan.

Singaporean billionaire Peter Lim, the owner of Spanish club Valencia, has expanded into sports marketing by acquiring the image rights for football superstar Cristiano Ronaldo, it was announced Monday.

Mint Media, a Hong Kong-based firm owned by Lim, said in a statement the six-year contract with Ronaldo would help grow the Portuguese icon's brand in Asia.

Marcel Kittel being forced out of the Tour de France due to a lack of fitness will have had several sprinters and their teams quietly grinning with delight.

The last two years, Kittel has been in a class of his own at the Grand Boucle, winning four stages in each, including both the first and last on each occasion.

Japan expects the cost of the 2020 Olympic stadium to rise to 252 billion yen ($2 billion), the country's sports minister said on Monday.

Hakubun Shimomura confirmed that the price tag represented a 90 billion yen hike since the futuristic design by Iraqi-British architect Zaha Hadid was chosen in 2012.