2021 John Deere Classic scores: Sebastian Munoz, Chesson Hadley tied at top with 63s in Round 1

The co-leaders are a stroke ahead at 8-under of a group of three who shot 64s at TPC Deere Run on Thursday

SILVIS, Ill. (AP) -- Sebastian Munoz never knows when the switch will come on and the putts start to fall, but he recognized it happening Thursday in the John Deere Classic. Munoz was motoring along when he closed with five straight birdies at the TPC Deere Run for an 8-under 63, turning a solid day into a share of the lead with Chesson Hadley. "I just go blank, to be honest," Munoz said. "It's funny because when I make a lot of birdies, I usually play a little more safe and pick my spots. I have like 10-, 12-footers and they start to drop. That's what I did today. And that's where we're at."