McIlroy and Lowry are both level-par after their first rounds.
Seamus Power heads up the Irish challenge into day two at the Northern Trust on the PGA Tour.
He'll tee-off from one-under-par today, seven shots behind leaders John Rahm and Justin Thomas.
Rory McIlroy and Shane Lowry are both level-par after their first rounds.

Thursday Morning Sports Update
Former Liverpool And Blackburn Full-Back Inge Bjornebye Joins Rangers As Football Consultant And Advisor
Lizzy Kent Appointed FAI's New Head Of Women And Girls Football
No Afternoon Session At The PDC World Darts Championship Today
Wednesday Morning Sports Update
Tuesday Morning Sports Update
Niall Kelly Retires From Inter County Football
Boxing Promoter Frank Warren Revealed Potential Fight Between Anthony Joshua And Tyson Fury