Both are playing at the CJ Cup on the PGA Tour.
Rory McIlroy and Shane Lowry have work to do at the CJ Cup on the PGA Tour.
Entering round two, McIlroy is 4 under and Lowry is 1 over.
American Robert Streb is out in front on 11 under par.
On the European Tour, Jonathan Caldwell has slipped back to 3 over par in the second round of the Andalucia Masters.
The lead is currently held on 4 under par by Sebastian Soderberg and Julien Guerrier.

Saturday Sport Update
Leopardstown & Punchestown Racing Rescheduled
Kildare Senior Ladies Panel Announced For Sunday's Game
Kildare SF Team vs Offaly
Connacht Makes Five Changes To Team For Tomorrow's Trip To Zebre Parma
Ulster Make Seven Changes For Tomorrow's Clash At Cardiff
Leinster Have Made 11 Changes To Their Team For Tomorrow's URC Game
Kildare Senior Hurling Panel To Play Dublin Announced