Madrid, May 20 -- Spain midfielder Fermin Lopez has been ruled out of the World Cup witha broken bone in his foot.

The 23-year-old fractured the fifth metatarsal in his right foot during Barcelona's 3-1 La Liga win against Real Betis on Sunday.

The Spanish champions did not give a timeframe for his return, according to BBC Sport.

"The operation went very well and I'm already looking forward to coming back stronger, both physically and mentally," Lopez wrote on Instagram.

"Life and football can be cruel when you least expect it or deserve it. But you have to accept that it's all part of the journey.

"It's a very tough time for me and yet another challenge in my career that I will overcome - of that you can be sure.

"Now it's time to su...