Dustin Johnson is on top of leaderboard at the halfway stage of the Northern Trust.
The American is one shot ahead of Jordan Spieth after two rounds of the PGA Tour's play-off event.
Meanwhile Tiger Woods was forced to withdrew before Friday's round because of "mild oblique strain that led to pain and stiffness".
The third round gets underway later on Saturday.
Bergs shocks Alcaraz in Shanghai as Zverev claims year-end top ranking
Seven-times Grand Slam champion Carlos Alcaraz suffered a shock 7-5 7-6(4) defeat by unseeded Belgian Zizou Bergs in the Shanghai Masters round of 32 on Monday, a result that also confirmed Alexander Zverev as the ATP's year-end world number one.
Ten arrested and police officer injured after Manchester City’s win at Liverpool
Ten people were arrested and a police officer suffered a serious facial injury after crowd trouble at Manchester City’s 3-0 Premier League win at Liverpool on Sunday, Merseyside Police said on Monday.
Australia need six wickets on final day to win first Test
Australia’s Matt Renshaw played a leading role to leave his side needing six wickets on the last day of the first Test to beat South Africa as the hosts were 102-4 at the close of play at Kingsmead on Monday.
Red Bull's Verstappen wins Singapore Grand Prix
Red Bull's Max Verstappen has delivered a commanding performance to win the Singapore Grand Prix from pole position on Sunday, securing his second straight victory of the season after a perfect weekend that included a sprint race triumph.
Blades Brown, 19, becomes youngest to earn PGA Tour card via Korn Ferry Tour
Blades Brown has finished second to Austin Hitt at the Korn Ferry Tour Championship on Sunday in Glen Allen, Virginia, to lock up his PGA Tour card at just 19 years and four months old
