World heavyweight champion Tyson Fury announced he was retiring from boxing in a profanity-laced tweet on Monday.

A furious Lewis Hamilton lashed out at his Mercedes team Sunday, saying "someone doesn't want me to win" after his engine exploded into flames during the Malaysian Grand Prix.

Atletico Madrid moved top of La Liga despite missing two penalties as Antoine Griezmann and Kevin Gameiro handed Diego Simeone's men a 2-0 win at Valencia on Sunday.

Agnieszka Radwanska beat Chinese wildcard Wang Qiang in straight sets in the first round of the China Open Sunday, leaving her just two wins away from clinching a place in the elite season finale.

Daniel Ricciardo led a Red Bull one-two as a distraught Lewis Hamilton's hopes of regaining the world championship lead went up in smoke at a dramatic, action-packed Malaysian Grand Prix on Sunday.

World champion Lewis Hamilton delivered a warning to Nico Rosberg in emphatic fashion ahead of qualifying with a blistering lap Saturday in final practice for the Malaysian Grand Prix.

Hamilton continued his return to form at the Sepang circuit by scorching to the fastest time of the week as championship leader Nico Rosberg was comfortably out-paced and relegated to third behind teenager Max Verstappen's Red Bull.

Manchester United manager Jose Mourinho rued the "poisoned gift" of his side's fixture schedule as he contemplated a potentially seismic run of matches in October.

Kevin Magnussen said he was unsure about the halo cockpit safety system being trialled after having to flee his burning Renault Friday, saying five seconds is "too long" to escape.

Arsenal boss Arsene Wenger has admitted for the first time he would be willing to manage England in the future if he had no club commitments.

Lewis Hamilton turned the tables on world championship leader Nico Rosberg, giving himself a badly-needed boost with the fastest lap in second free practice Friday for the Malaysian Grand Prix.

Rosberg has been in dominant form over the past three races, winning them all to turn a 19-point deficit into an eight-point lead in the title race.