Kendelle Grube shot a career-low on Saturday at the Carthage College Tournament on the Border and showed significant improvement from her first round. Grube, from Appleton, Wis., improved her second-round score by 11 shots for a career-low 123. Her 36-hole total wound up at 257. Her previous 18-hole best was a 133, which took place at the Marian University Triangular last season.