McDowell rises, de Jonge falls
Brendon de Jonge bogeyed three of his last four holes, including the par-4, 403 yard 16th and the par-3, 208 yard 17th to drop to 2-under.
Graeme McDowell's birdie on the par 5, 543 yard 18th was his fourth of the day (he also had two bogeys), bringing him to two-under on the day.
Both now share the lead at two-under.
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