Five things to know: The U.S. Open

With Tiger Woods still chipping away at Jack Nicklaus' majors record, Phil Mickelson hoping to get off the U.S. Open schneid and Dustin Johnson feeling comfy on this course, there is plenty to discuss at Pebble Beach this week. We'll get you started: Here are five things you should know about the 2010 U.S. Open.

1. Tiger chasing history
Tiger Woods is seeking his 15th professional major and fourth U.S. Open title. He's trying to become the fifth man to win four U.S. Opens, joining Willie Anderson, Bobby Jones, Ben Hogan and Jack Nicklaus.

2. Feeling Grand?
Phil Mickelson, who earned his third Masters victory in April, is the only PGA Tour golfer with a chance to capture a Grand Slam this year. Mickelson has five runner-up finishes in the U.S. Open, including last year's -- more than anyone in history.

3. Track with a vengeance
Lucas Glover is trying to become the first golfer to win consecutive U.S. Opens since Curtis Strange did so in 1988 and '89. Pebble Beach might not be the best course for Glover to pull it off; he has played in three AT&T Pebble Beach National Pro Ams (2002, '04, '05) and has missed the cut each time.

4. A year to remember
This week Pebble Beach hosts its fifth U.S. Open and first since 2000. In the last Open staged at Pebble, Tiger Woods won by 15 strokes, the largest winning margin in the history of the four major championships.

5. Dustin the field?
Looking for a dark horse pick? Dustin Johnson has won the AT&T Pebble Beach National Pro-Am each of the past two years. Johnson has finished T-48 and T-40 in his only two U.S. Open appearances.

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