Updated:AUGUSTA, Ga. (AP) (AP)
ong> - Bubba Watson has a three-stroke lead heading to the weekend at the Masters.
Australia's John Senden was the closest challenger, also shooting 68 for 140 overall.
The group at 141 included defending champion Adam Scott, who shot 72. He was joined by Denmark's Thomas Bjorn (68), Sweden's Jonas Blixt (71), and 20-year-old American Jordan Spieth (70).
At the other end of the age scale, 54-year-old Fred Couples is five strokes back after his second straight 71.