Bill Haas took an early lead at the 2018 Waste Management Phoenix Open by posting a 64 in Round 1.
Rickie Fowler is one of five men sitting two strokes back in second place, and there are 28 players within four strokes of the lead after Thursday's action.
Considering Hideki Matsuyama finished 17 under par last year when he won this event, the low scores should keep coming at TPC Scottsdale.
This article will be updated to provide more information on this story as it becomes available.
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