Injured Milos Raonic pulls out of ATP Tour Finals, replaced by David Ferrer

Canadian has muscle tear and ruled out of tournament
Ferrer steps in to play Kei Nishikori in Group B game
Murray stays alive with straight-sets win over Raonic
Milos Raonic
Milos Raonic lost to Roger Federer and Andy Murray but is now injured and out of the ATP World Tour Finals. Photograph: Clive Brunskill/Getty Images

Milos Raonic has withdrawn from the ATP Tour Finals in London through injury and been replaced by Spain’s David Ferrer.

The 23-year-old Canadian lost his first two round-robin matches at the season-ending tournament to Roger Federer and Andy Murray.

“I am sad to announce that I have to withdraw from the rest of this competition, due to a low grade tear in my quad. It was a hard decision,” Raonic said on Twitter.

“You, the fans deserve a great show, and I wouldn’t step out if I couldn’t. I am sorry for the fans. I will do everything to be here next year.”

Raonic, the first Canadian singles player to qualify for the showpiece event, has been replaced by Ferrer and the Spaniard will play Japan’s Kei Nishikori on Thursday.

Andy Murray meets Roger Federer in the final Group B game. If Ferrer wins he could qualify for the semi-finals, if Federer then also defeats Murray in the evening game.