2011-12: Scored 10 of his 12 points in the first half of a season-opening win over UTPA (11/13) ... Matched a season high with 12 points in a win over Seton Hall (11/20) in the championship game of the Charleston Classic ... Posted a season-best 13 points in a victory over Georgia Tech (11/29) in the Big Ten/ACC Challenge ... Connected on all five field goal attempts in a victory over Mississippi Valley State (12/2) ... Recorded a solid all-around game with 10 points, eight rebounds and five assists in a win over Central Connecticut State (12/17) ... Followed up the performance with 18 points, 10 rebounds, seven assists, two blocks and two steals vs. Eastern Illinois (12/18) ... Grabbed a season-high 11 rebounds in a victory over Penn State (1/1) ... Academic All-Big Ten.
2010-11: Hauled in a game-high 10 rebounds to go along with seven points in season-opener at Northern Illinois (11/12) ... Had a solid all-around performance with 11 points, eight rebounds and seven assists in a victory over Georgia Tech (11/30) ... Posted first double-double of the season and fifth of his career in a win over American (12/16), recording 11 points and 11 rebounds ... Connected on six of seven field goal attempts and scored a season-high 15 points with seven rebounds and three steals in a win over Mount St. Mary's (12/23) ... Matched a career-high, scoring 16 points at No. 12 Purdue (12/31) ... Scored a career-high 20 points with 12 rebounds in a win over Indiana (1/9) ... Scored 15 points on a perfect 4-for-4 shooting from the field and 6-for-6 from the free throw line in just 11 minutes of action in a win over SIU Edwardsville (1/20) ... Tallied 13 points, including knocking down two 3-pointers, to go along with seven rebounds in a win over Iowa (2/17) ... Tied for game honors with eight rebounds while dishing out four assists in a victory over Milwaukee in the first round of the NIT (3/16) ... Went a perfect 6-for-6 from the field, scoring 13 points to go along with a season-high seven assists in an NIT second-round win at Boston College (3/19) ... Academic All-Big Ten.
2009-10: Appeared in 33 of a possible 34 games, making 29 starts ... Led the team with a .481 field goal percentage ... Ranked 14th the Big Ten with an average of 5.7 rebounds per game ... Scored 15 points, including 12 in the first half, while pulling down 5 boards in a season-opening win over Northern Illinois (11/13) ... Had a solid all-around game with 8 points, 5 rebounds, 3 assists and 2 blocks in a win over No. 23 Notre Dame (11/27) ... Blocked a career-high 4 shots in a win at North Carolina State (12/1) ... Grabbed 8 rebounds in a victory over North Carolina A&T (12/13) ... Posted second career double-double with 11 points and 11 rebounds in a win over Texas-Pan American (1/7) ... Scored 13 points, grabbed 8 boards and dished out 4 assists in a win at Michigan (1/10) ... Notched 8 points, 10 rebounds and 6 assists vs. Wisconsin (1/13) ... Posted a double-double with a career-high 16 points to go along with 10 rebounds in a win over No. 6 Purdue (1/16) ... Recorded 9 points, 9 rebounds and 4 assists in a win over Illinois (1/23) ... Tied a Carmody-era record with 14 rebounds at Minnesota (1/26) ... Notched third double-double of the season with 11 points and 10 rebounds in a win over Minnesota (2/14) ... Finished just shy of a double-double with 8 points and 10 rebounds in a career-high 43 minutes of action at Indiana (3/6).
2008-09: Ranked fourth on team with .461 field goal percentage, including .526 in Big Ten play ... Recorded seven points, six rebounds and two blocked shots at Stanford (12/20) ... Tied a team season high with thee blocked shots vs. SMU (12/23) ... Tallied nine points and three assists vs. No. 10 Michigan State (1/3) ... Contributed eight points, four rebounds and three assists vs. No. 19 Purdue (1/15) ... Posted four points and five rebounds in a win over No. 18 Minnesota (1/18) ... Notched seven points, including a key basket with just over a minute remaining, in a win over Wisconsin (1/31) ... Tallied nine points and six rebounds at Iowa (2/7) ... Established career highs with 14 points, 12 rebounds and four assists in first career start vs. No. 22 Illinois (1/12) ... Contributed eight points, seven rebounds and two blocked shots in a win at Indiana (2/25) ... Posted six points, eight rebounds and five assists in a victory at No. 19 Purdue (3/4).
High School: Rated as the fourth-best collegiate prospect in the state of Indiana by Hoops Indiana ... Averaged 25 points and 15 rebounds per game at La Lumiere ... First-team all-area selection of The News-Dispatch ... Season high in scoring was 37 points ... Team captain ... Scored a game-high 24 points and added 10 rebounds and three blocked shots in The News-Dispatch charity all-star game ... Honor roll student ... High school coach was Delray Brooks.
Personal: Born Luka Mirkovic in Belgrade, Serbia ... Son of Aleksandar and Dragana Mirkovic ... Chose Northwestern over Louisville, DePaul and Marquette ... Major is communication studies.
| Season | GP/GS | Min. | FG% | 3PT% | FT% | RPG | Ast | Blk | Stl | PPG |
| 2008-09 | 26/2 | 18.5 | .444 | .400 | .667 | 3.2 | 40 | 14 | 11 | 3.9 |
| 2009-10 | 33/29 | 25.6 | .481 | .346 | .557 | 5.7 | 78 | 29 | 26 | 7.3 |
| 2010-11 | 34/34 | 24.4 | .514 | .429 | .667 | 5.2 | 77 | 23 | 19 | 7.4 |
| 2011-12 | 19/15 | 19.9 | .495 | .000 | .512 | 3.8 | 33 | 5 | 10 | 5.9 |
| Career | 112/80 | 22.6 | .489 | .328 | .602 | 4.7 | 228 | 71 | 66 | 6.3 |