Arkansas designated player Courtney Day (7) high-fives teammates during player introductions, Friday, April 11, 2025, before the first inning of the Razorbacks' 10-2 run-run win over South Carolina at Bogle Park in Fayetteville. (Hank Layton/NWA Democrat-Gazette)

On Saturday, Day, the University of Arkansas softball team's steady utility player, delivered one of the biggest hits in program history. Day hit a walk-off RBI single in the eighth inning to complete a 6-5 comeback victory over Oklahoma State at the NCAA Fayetteville Regional at Bogle Park.

Here's how Arkansas softball beat powerhouse Oklahoma State twice in two days to win the Fayetteville Regional and advance in the NCAA Tournament.