Summary:
A player who has been a key part of Costa Rica's recovery from a broken leg will miss the start of the World Cup qualifying campaign.

Full article:
Everton midfielder Bryan Oviedo has pulled out of Costa Rica's friendlies against Oman and South Korea. The Toffees have confirmed the 24-year-old is to remain on Merseyside to undergo a routine procedure to remove a small screw in his left leg which was inserted after an horrific break in January. Oviedo made his competitive comeback with an hour-long appearance in the Capital One Cup defeat at Swansea last month and came on for the last 26 minutes of Sunday's loss against Manchester United - his first league appearance since January 20. Everton's Bryan Oviedo came on as a second-half substitute at Old Trafford on Sunday . Oviedo (right) has a shot on goal during Everton's 2-1 defeat to Manchester United .