Shane Lowry and Graeme McDowell go into final day in Florida with share of lead

Shane Lowry and Graeme McDowell will start the final day of the QBE Shootout with a share of the lead after a blistering second-round 64 in Naples, Florida.

The Irish pair picked up three shots on the first two holes and finished eight-under-par for the greensomes, a modified alternate-shot format over the Gold Course at the Tiburon Golf Club, to join Steve Stricker and Sean O'Hair on 18-under.