Tommy Fleetwood's fast start, Rory McIlroy's fast finish give them share of the lead.
Tommy Fleetwood leads Arnold Palmer Invitational on nine under par.
The Swede has split with his new caddie Scott Vail after just six tournaments together
Which up-and-coming players will be making headlines next year?
Rory McIlroy now looks likely to retain his European Tour card after Keith Pelley flew out to Belfast for 'crisis talks'
Rory McIlroy is set to give up European Tour membership in 2019 to focus on the U.S. PGA Tour.