Golf:Rory McIlroy and Padraig Harrington are both in contention going into today's final round of the WGC in Miami. Dustin Johnson leads on 13 under par with McIlroy among the chasing pack on 10 under while Harrington is just one shot further back.

Harrington has struggled to put four good rounds together so far this season and, after recording a 68, knows he needs another low score to have any chance of catching Johnson.

"I was in contention about a dozen times last year," Harrington said after his round on Doral's Blue Monster. "The same sort of contention as tomorrow, a little bit off the lead and I need a big day.

"A lot of events over here last year I was in the top 10 going into the last round. It's do-able but it means a big day tomorrow. I had that a lot last year and I don't want to press too hard or too quickly."