2021 Zurich Classic Still Wide Open Through 54 Holes

AVONDALE, LA - APRIL 28: Charl Schwartzel of South Africa and Louis Oosthuizen of South Africa walk across the green during the third round of the Zurich Classic at TPC Louisiana on April 28, 2018 in Avondale, Louisiana. (Photo by Chris Graythen/Getty Images)
AVONDALE, LA - APRIL 28: Charl Schwartzel of South Africa and Louis Oosthuizen of South Africa walk across the green during the third round of the Zurich Classic at TPC Louisiana on April 28, 2018 in Avondale, Louisiana. (Photo by Chris Graythen/Getty Images) /
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There are 18 holes left in the 2021 Zurich Classic but the issue is nowhere near being resolved. The event, which pairs PGA Tour players with other PGA Tour pros in twosomes, could still be won by several groups, who are bunched at the top of the leader board.

The South African duo of Louis Oosthuizen and Charl Schwartzel will head into Sunday with a one-shot lead. The pair sits at 19-under par through 54 holes after shooting their second 63 of the week on Saturday.

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But Oosthuizen and Schwartzel will have plenty of competition in the final round, which will be played in the foursomes (alternate shot) format.

Two teams are just one shot back through 54 holes. The Australian duo of Marc Leishman and Cameron Smith shot 63 on Saturday to get to that number. Cameron Champ and Tony Finau are also at 18-under par through three rounds.

Two more teams are at 17-under par. The Scottie Scheffler/Bubba Watson pairing is 17-under after a 66 on Saturday. The Norwegian pairing of Viktor Hovland and Kris Ventura are also 17-under after a Saturday round of 68.

Three groups are 16-under par and three shots off the lead. And all three are somewhat of a surprise.

Tom Lewis and partner Thomas Pieters are 16-under after a 63 on Saturday. Americans Tyler Duncan and Adam Schenk also shot 63 on Saturday and also sit at 16-under par. The duo of Keegan Bradley and Brendan Steele shot 64 on Saturday and are also at 16-under par.

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Nine more teams, including defending champions Ryan Palmer and Jon Rahm, are four shots back at 15-under par. That might be too much to overcome on Sunday, when the format will make scoring more difficult. But if a group can get something going, especially early, anything can happen.

The tightly-bunched leader board should provide for a fun finish on Sunday in Louisiana.