T he Arnold Palmer Invitational is the fourth of eight signature events on the PGA Tour calendar. It offers a $20-million purse with $4 million going to the winner. Here's a look

Collin Morikawa is leading at Bay Hill, but Round 4 can be a game-changer for anyone. Final round's tee times and pairings explored.

Morikawa matched some peers with the second-best round of the day at Bay Hill to take pole position entering the final 18 holes