Northern Trust Open leaderboard: Hunter Mahan, John Merrick pass Bill Haas for Sunday lead

Stephen Dunn

Bill Haas has relinquished his three-shot lead as a loaded top of the leaderboard hits the back nine at Riviera.

Things are getting interesting at Riviera, as both John Merrick and Hunter Mahan have made a charge at Bill Haas with the final group now on the back nine on Sunday. Merrick moved into a momentary tie for the lead with Haas at 11-under with a birdie on No. 10. The short par-4 is one of the iconic holes on the classic Los Angeles track, and Haas followed Merrick by bombing his drive left of the green. But he was sloppy around the green, needing four strokes to get it in the cup for yet another bogey. It was his fourth bogey of the day, and his three-shot lead had disappeared into a one-shot deficit in just 10 holes.

Mahan, notorious for low Sunday rounds and charges up the leaderboard, is playing one of his favorite courses on Tour and is 5-under through his first 11 holes. He appears to be on his way to carding low round of the day but now the overall title is well within reach. Mahan has been inside the top 20 in his last three starts, and took an early lead last week at Pebble Beach. Despite several weeks in contention, he has not won since his fast start to the 2012 season. Of all the names on the first page, he's probably the best bet to chase down, and pass, all the leaders by the time Sunday is over.

Joining Haas at 10-under are two more of the top players in the world, Webb Simpson and Fredrik Jacobson. Playing alongside Haas in the final group, Simpson went out in 1-under after a couple bogeys and a few adventures off the fairway. Jacobson is another one of those streaky players who's renowned for going low and making big moves up the board. He walked off No. 10 with a disappointing par, but he will surely make some noise coming in.

Here's the top of a loaded leaderboard along with some other notables:

Player Score Thru
Hunter Mahan -11 11
John Merrick -11 10
Bill Haas -10 10
Fredrik Jacobson -10 10
Webb Simpson -10 10
Charl Schwartzel -10 10
Luke Donald -8 10
Sergio Garcia -5 12
Ernie Els -5 17
Keegan Bradley -5 13
Phil Mickelson -4 14

For a live leaderboard from Riviera, visit Golf.com.

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