SANTA BARBARA, Calif. -- University of Oregon golfers occupy the top three spots after 36 holes at the OGIO-Santa Barbara Intercollegiate, pushing the Ducks out to a commanding 19-stroke lead over host UCSB with one round to play at Sandpiper Golf Club.

Jack Dukeminier and Robbie Ziegler are tied for the individual lead after a pair of 5-under 139s over the first two rounds, while Daniel Miernicki (68-72-140) is one shot off the pace at 4-under. The trio helped UO post a team score of 15-under 561 - 19 shots clear of the Gauchos and 31 better than third-place Fresno State.

Dukeminier shot 67 in the first round and even-par 72 in the second, while Ziegler went 69-70 at the 7,068-yard course that borders the Pacific Ocean.

Jack Paton (70-76-146) is tied for tenth at 2-over and true freshman Ben Itterman (75-73-148), making his second consecutive start, sits tied for 21st at 4-over.

Only seven of 87 golfers are under par after 36 holes.

The 16-team field will play the final round on Tuesday. The first group will tee-off at 8:00 a.m. and the leaders will start at approximately 9:00 a.m.