Tiger Woods still has plenty of work to do if he wants to defend his title at Bay Hill and go back to No. 1 in the world.
Justin Rose three-putted the final hole for bogey and a 2-under 70 to share the lead Friday with Bill Haas in the Arnold Palmer Invitational.
Haas never had a par putt longer than 4 feet in his bogey-free round of 66.
Woods was one shot out of the lead until he bogeyed the last three holes.
He went from the sand to the water on the par-5 16th, went long of the 17th green for another bogey and had to lay up short of the water on the par-4 18th for his third bogey.
Woods had a 70 and was four shots behind.