Kansas center Udoka Azubuike sprained his left knee during a scrimmage and will miss the Big 12 tournament, putting his availability for the NCAA tournament in question.

Jayhawks coach Bill Self said Wednesday that Azubuike hurt the medial collateral ligament in his knee the previous day. He will be evaluated again Sunday.

The 7-foot Azubuike, who is Kansas’ only significant inside presence, is averaging 13.7 points and 7.1 rebounds this season.

Tigers get Porter back: Missouri standout Michael Porter Jr. will play in the SEC tournament Thursday — his first time in a game since the season opener.

The 6-foot-10 Porter, the top prep prospect in the country last season, underwent back surgery in November and was expected to miss the rest of the season.

ACC upsets: Jerome Robinson made a pull-up jumper with 17 seconds left to break a tie, then forced a turnover on an inbounds play moments later as 12th-seeded Boston College earned a 91-87 win over fifth-seeded North Carolina State (21-11) in the second round of the Atlantic Coast Conference tournament in New York. Robinson scored 26 points and Ky Bowman added 24 for the Eagles (19-14). ... Quentin Snider scored 19 points, Ray Spalding had 18 and ninth-seeded Louisville (20-12) built a huge lead before knocking off eighth-seeded Florida State 82-74. The Seminoles (20-11) trailed by as many as 26 points in the second half. ... Bonzie Colson banked in a go-ahead, 3-pointer that barely beat the shot clock with two minutes remaining, and 10th-seeded Notre Dame (20-13) rallied from 21 down in the second half to earn a 71-65 victory over seventh-seeded Virginia Tech (21-11).

Bucknell repeats: Stephen Brown scored 22 points as top-seeded Bucknell won its second straight Patriot League tournament title with an 83-54 victory over second-seeded Colgate (19-13) in Lewisburg, Pa., which was seeking its first league title in 22 years.

The Bison will be making their eighth appearance in the NCAA tournament. AP