Qualifier Andrew Landry leads at Oakmont, but storms suspended play with only nine players completing the first round. Here are some key stats from Day 1 at the U.S. Open provided by the Golf Channel research department.

• First round suspended for day at 4:34 p.m. ET

• Half of the field yet to begin first round play

• 16 of last 17 U.S. Open champions were at/within five strokes of lead after first round

• Every U.S. Open winner since 1999 shot 72 or lower in first round

• Each of previous 25 major winners shot 72 or lower in first round

• Last two U.S. Open winners at Oakmont shot 69 in Round 1

Andrew Landry

• 3 under par through 17 holes; has 10’6” birdie putt on ninth hole

• Lowest first round in U.S. Open at Oakmont is 67 (done twice)

• Has never recorded round lower than 68 on PGA Tour

• Was 5 under with five holes remaining in first round

• Has made 35.7 percent of putts between 10-15 feet this season

Bubba Watson

• 2 under through 14 holes; five birdies and three bogeys in first round

• One career round under par in U.S. Open (10th start)

• Best U.S. Open finish came at Oakmont (T-5 in 2007)

Scottie Scheffler

• First round under par by amateur in U.S. Open at Oakmont since 1973 (Vinny Giles)

• Third amateur with round in 60s in U.S. Open at Oakmont

• 69 (1 under) in first career U.S. Open round

• Won 2013 U.S. Junior Amateur

Jordan Spieth

• 1 over through 11 holes; one birdie and two bogeys so far in first round

• No player has won consecutive U.S. Opens since 1988-89 ( Curtis Strange)

• Trying to become youngest to successfully defend major title since Gene Sarazen at 1923 PGA Championship

Rickie Fowler

• 6 over through 12 holes; bogeyed four of last five holes before final suspension

• Combined 27 over par in first round of last six major starts

Rory McIlroy

• 4 over through 13 holes; one birdie and five bogeys so far in first round

• Has never won PGA Tour event with opening round over par