No. 3 Saint Louis and No. 10 Northwestern battled to a 0-0 tie in the marque match of a busy Tuesday night of men's college action.
Englishman Kyle Patterson had the best chance of the game for SLU (4-0-4), but his shot hit the crossbar.
Northwestern (8-0-2) has now allowed only one goal in 10 games.
The visiting Wildcats' best chance came in the first overtime period when Drew Ratner's shot was cleared off the line by freshmanAlex Johnston.
Next up for SLU: Creighton at home on Saturday.
Also on Tuesday ...
NO. 1 MARYLAND-BINGHAMTON (1-0).Matt Kassel's first goal of his Maryland career was the only goal in a game delayed nearly an hour and a half due to strong lightning at Ludwig Field.
NO. 12 NORTH CAROLINA-UNC ASHEVILLE (2-1). Freshman forward Alex Dixonheaded home the game-winner in the 68th minute. Sophomore midfielder Cameron Brown also scored as the Tar Heels (8-1-1) surpassed their victory total from last season in just their 10th match of 2008.
EVANSVILLE-NO. 17 INDIANA (2-3).The Hoosiers saw their two-goal lead disappear before coming back in overtime on freshman Will Bruin's goal, his second of the match, for a 3-2 win. A crowd of 2,360 was on hand to witness the Hoosiers' first visit to Evansville since 1998.
UMKC-NO. 21 DRAKE (4-3). Junior Bryan Perez scored the winning goal to a cap a hat-trick performance.
It marked the second time this season UMKC upset a nationally ranked team after beating then-No. 3 Creighton, 1-0, Sept. 3. "It was a bizarre game," said Drake coach Sean Holmes. "We gave up four goals in one game after opening the season allowing a total of only four goals in our first eight games. Playing on artificial turf was awful hard for a team having played on the road for so long."
NO. 24 DUKE-STONY BROOK (5-0).Senior Mike Grella scored three goals in a span of eight minutes in the second half and an assist to push the Blue Devils past Stony Brook.