The pair tee off their opening rounds this evening.
Shane Lowry is back in action at the Players Championship at Sawgrass later today.
The Offaly man tees off at 5:18pm.
Lowry is hoping for an improved performance after missing the cut at the Arnold Palmer Invitational last week.
Meanwhile, Lowry says the Players Championship shouldn't be given official major status.
The PGA Tour's flagship event gets under way at Sawgrass today, with the Irishman looking to build on his strong early season form.
He says the tournament already has all the prestige it needs without being labelled golf's fifth major.
Rory McIlroy begins the defence of his title this evening.
The Masters Champion arrived at the venue yesterday, having received treatment for the back injury he sustained at the Arnold Palmer Invitational last week.
McIlroy is out on course from 5:40pm Irish time.
Alex Dunne Set For Action In Miami This Weekend
Fundraising Walk Planned For Westmeath Man Left Paralysed In Freak Accident
Shane Lowry In Action In Miami This Week
Westmeath Secure Leinster Minor Football Quarter Final
CCFL: Two Draws In Senior Division
Potential Hometown Fight On The Cards For Joe Ward
Ava O'Connor Breaks Personal Steeplechase Record
Laois Fixture In Two Weeks A "Massive Game" - Kevin O'Brien
Camross Camogie Honoured In Laois Following Historic All-Ireland Triumph
Athlone Town Secure Vital Win In Women's Premier Division
Laois And Westmeath To Clash In Leinster Camogie Decider
Leinster SHC: Offaly Suffer First Defeat Away To Galway
Draw Made For First Round Of Tailteann Cup
Offaly Soccer Club Opens Doors To All With Football For All Initiative
Laois Claim Vital Win In Joe McDonagh
France Too Strong For Ireland In Women's Six Nations
Athlone Town Secure Back To Back League Wins
Hurling Round Up: Laois Secure Big Win, While Offaly And Westmeath Suffer Defeats
Westmeath Man Relishing Role As President Of Pitch And Putt Ireland