Jason Day (64) posts his career-low score in 41 rounds at the Arnold Palmer Invitational presented by Mastercard. He is the first player to shoot 64 or better at Bay Hill since 2021 (Keegan Bradley/64/R3).

After trading texts and phone calls the last few months, Day and Swatton got down to the high-tech work in a lab working his swing and putting and the results have been immediate.

During Friday's second round at the Arnold Palmer Invitational, Wyndham Clark found himself center of controversy once again.