Macdonald bests career-low 54-hole score by seven shots.
Sophomore enters third round as individual leader at 3-under par.
Final tune-up for Big Ten Championships in two weeks.
Freshmen Eoff, Schweizer go 3-0-0 for the Boilermakers.
Purdue enters the championship as the No. 2 overall seed.
Redshirted as a junior during the 2012-13 season.
As a Sophomore (2011-12)
Made four starts and averaged 77.00 strokes per round ... Posted a low 54-hole score of 229 ... Best finish was a tie for 37th at the Boilermaker Invitational ... Tied for 39th at the Northern Intercollegiate in the fall.
As a Freshman (2010-11)
Played in six tournaments on the year, averaging 76.12 strokes per round ... Counted 70.6 percent of his rounds to the team score, and posted two rounds at par or better for the season ... Best finish was a tie for 10th at the Turning Stone Intercollegiate ... Tied for 11th at the Boilermaker Invitational ... Saw action at the Big Ten Championships, tying for 49th place.
The 55th-ranked junior golfer in the nation, and the 27th-ranked player in the class of 2010, in the Golfweek/Sagarin Ratings ... Won both the AJGA Lessings Classic and the AJGA Junior at New Castle in 2009 ... Tied for 14th at the 2008 Western Junior in a performance that featured a final-round 61.
Majoring in economics ... Born on May 8, 1991 ... Son of Gang Fu and Yanling Wang ... Has a sister, Yuetong.