McDowell two behind after opening round in Florida

Graeme McDowell carded a four-under par 68 last night for his opening round at the Hero World Challenge.
The Portrush man is two behind leader in Florida, Jordan Spieth on six under.
Zach Johnson, Steve Stricker, Rickie Fowler and Henrik Stenson are one shot behind Spieth on five under.
Tournament host Tiger Woods carded a 5-over par 77 and is last of the 18-strong field on his return to competition.