To be eligible for the European Tour, Mickelson would have to play in a minimum of 12 tournaments, which can include the four grand slams and three World Golf Championship events, and Mickelson said he would be open to taking part in the future.

BBC: Mickelson opts out of Euro Tour

George O'Grady, the chief executive of the European Tour, was delighted at the news, particularly as the minimum required number of events for a player to compete in has risen from 12 to 13.

BBC: Martin Kaymer opts for European Tour over USPGA Tour