Calc's 256 total broke Mike Souchak's scoring record of 257 set at the 1955 Texas Open. He also tied John Huston's 28-under-par scoring record set at the 1998 Hawaiian Open.
He also set the record for lowest consecutive 36 holes (124) and more birdies in 72 holes (32). The records he equaled were low opening 36 hole total (125), low consecutive 54 hole total and low opening 54 hole total (189).
Check out all the latest news headlines!