Mickelson plays down grand slam chances

Masters champion Phil Mickelson is doing what all good golfers do – taking it one shot at a time, one round at a time and one major at a time.

But having won the US PGA Championship at Baltusrol last August and now the first major of this season at Augusta, Mickelson knows what everyone is going to be talking about heading into the US Open at Winged Foot in June.