Three-time Abu Dhabi HSBC Golf Championship winner Martin Kaymer is tied for the lead at the halfway stage of the Memorial Tournament.
The German is on nine under par alongside Troy Merrit and Lee Kyoung-hoon.
The trio are a shot ahead of Jordan Spieth.
Meanwhile two time Omega Dubai Desert Classic winner Tiger Woods is seven shots off the lead.

Police detain organiser of Messi visit after Indian fans rip up seats
Patel dominates as Mumbai take Game 1 of United Series
UAE though to Arab Cup semi-finals after beating Algeria on penalties
Dubai Basketball claim thrilling win over Bayern Munich in EuroLeague
