The event is played at Pebble Beach, Spyglass Hill and Monterey Peninsula Country Club's Shore Course, those layouts played in rotation over the first three days before the final round is played at the Pebble Beach.
Mickelson and Jason Day are the only players from the world top ten in the field, Mickelson finishing runner-up in Dubai before back issues bothered him when withdrawing at Torrey Pines then finishing well back at the Phoenix Open.
Day has been in outstanding form in recent starts including his win at the World Cup at Royal Melbourne and his runner-up finish at Torrey Pines. In four starts in this event Day has been twice 6th so has the form at the venues and the current form to start as a great chance to challenge for just his second PGA Tour title.
Dustin Johnson and Pebble Beach get along just fine, the world number 12 recording two wins and two other top tens in six starts in this particular event and producing another great week at the venue when he led into the final round of the 2010 US open before finishing 8th.
Hunter Mahan has been building towards his first PGA Tour victory since the 2012 Houston Open, his 4th place finish at last week's Phoenix Open further evidence of that. Mahan has several good finishes in this event including when runner-up in 2011. He appears to be well placed this week.
Patrick Reed won the Humana Challenge three weeks ago and importantly for his chances this week finished 7th in his only start in this event last year. On those facts alone he stands a chance.
Jordan Spieth finishes 22nd in his only start in this event last year but has since gone on to be a star on the PGA Tour. He finished runner-up in Kapalua before missing the cut at the Sony but a solid week at Torrey Pines gives him a great chance this week.
Jason Day heads the Australians but ten others will play an event that has become popular with them.
Matt Jones gets the chance to continue his good recent form having finished 12th and 13th in two of his three starts this year. Jones has made five of six cuts in the event with a best of 10th in 2010.
Aaron Baddeley has a good record at Pebble Beach with two top tens in his last three starts. His form is below average in recent starts but he could do well at a venue where he has enjoyed previous success.
John Senden, Geoff Ogilvy, Greg Chalmers, Stuart Appleby, Steve Bowditch, Rod Pampling, Scott Gardiner and Bronson La Cassie are the others.