2019
• Team co-captain
• Semifinalist for Campbell Trophy, presented to nation’s top football scholar-athlete.
• Recorded 10 tackles, including 1.0 tackle for loss, at Nevada on Aug. 30.
• Had a sack among his four tackles against Vanderbilt on Sept. 7.
2018
• Academic All-Big Ten.
• Started all 13 games.
• Led Purdue with 115 total tackles, including 82 solo stops, for the year.
• Finished second on the team with 9.0 tackles for loss, including a team-high 5.5 sacks.
• Returned an interception 41 yards for a touchdown against No. 2 Ohio State on Oct. 20.
• Recorded nine tackles, seven solo, against Northwestern on Aug. 30.
• Had 2.5 tackles for loss, including 1.5 sacks, among his five tackles vs. Eastern Michigan on Sept. 8. Also forced a fumble.
• Finished with five tackles against Missouri on Sept. 15.
• Tied a career-high with 10 solo tackles, with a sack, against No. 23 Boston College on Sept. 22.
• Had 11 tackles, including a sack, at Nebraska on Sept. 29.
• Tallied three solo tackles at Illinois on Oct. 13.
• Named the Big Ten Defensive Player of the Week after posting a career-high 15 tackles, eight solo, vs. • No. 2 Ohio State on Oct. 20.
• Had 11 tackles, seven solo, at Michigan State on Oct. 27.
• Finished with eight stops, seven solo, vs. No. 19 Iowa on Nov. 3.
• Recorded nine tackles with a sack at Minnesota on Nov. 10.
• Had 11 total tackles, nine solo, vs. Wisconsin on Nov. 17.
• Tallied seven tackles and a sack at Indiana on Nov. 24.
• Had 11 tackles, eight solo, against Auburn in the Music City Bowl on Dec. 28.
2017
• Academic All-Big Ten.
• Started all 13 games.
• Finished second on the team in total tackles with 89, including 67 solo stops, with 11.0 tackles for loss, seven sacks, an interception, fumble recovered, fumble forced and two PBUs.
• Finished with four tackles and returned a fumble 19 yards against No. 16 Louisville on Sept. 2.
• Had seven stops, six solo, and a fumble forced vs. Ohio on Sept. 8.
• Tallied four tackles and a returned an interception 22 yards to set up a touchdown at Missouri on Sept. 16.
• Had nine tackles, six solo, and a pair of sacks vs. No. 8 Michigan on Sept. 23.
• Finished with seven tackles, six solo, vs. Minnesota on Oct. 7.
• Posted a career-high 10 solo tackles, including a pair for losses with a sack, at No. 7 Wisconsin on Oct. 14.
• Had eight tackles, including an assisted TFL, at Rutgers on Oct. 21.
• Recorded five tackles, including a sack, vs. Nebraska on Oct. 28.
• Had four stops, including 1.5 for loss and a sack, vs. Illinois on Nov. 4.
• Finished with five tackles with an assisted TFL at Northwestern on Nov. 11.
• Had a sack among four solo tackles at Iowa on Nov. 18.
• Recorded a season-high 11 tackles, nine solo, 1.5 tackles for loss and a sack, against Indiana on Nov. 25.
• Equaled season high with 11 tackles, including a career-high-tying 10 solo stops, against Arizona in the Foster Farms Bowl on Dec. 27.
2016
• Academic All-Big Ten.
• Started all 12 games.
• Led team with 97 total tackles, including 61 solo stops.
• Recorded 6.0 tackles for loss.
• Had a team-high four interceptions.
• Had four tackles, three solo, against Eastern Kentucky on Sept. 3.
• Finished with nine tackles, seven solo, vs. Cincinnati on Sept. 10.
• Recorded three solo tackles vs. Nevada on Sept. 24.
• Posted five total tackles, four solo, and an interception at Maryland on Oct.1.
• Finished with 11 tackles at Illinois on Oct. 8.
• Had 11 tackles, seven solo, vs. Iowa on Oct. 15.
• Recorded six tackles at No. 8 Nebraska on Oct. 22.
• Had six tackles, including 1.0 for loss, vs. No. 24 Penn State on Oct. 29.
• Tallied a career-high 12 tackles, including an assisted TFL, at Minnesota on Nov. 5
• Tied career-high with 12 tackles, including 2.5 TFLs, and had an interception vs. Northwestern on Nov. 12.
• Finished with nine tackles, including 2.0 TFLs, vs. No. 6 Wisconsin on Nov. 19.
• Wrapped up the season with eight solo tackles and a pair of interceptions at Indiana on Nov. 26.
2015
• Appeared in three games as a reserve before injuring his knee.
• Recorded 12 tackles, nine solo, for the year.
• Had three tackles at Marshall on Sept. 6.
• Tallied three tackles, all solo, against Indiana State on Sept. 12.
• Posted a season-high six tackles, five solo, vs. Virginia Tech on Sept. 19.
HIGH SCHOOL
• Three-year varsity letter winner in football.
• Rated as a three-star recruit by ESPN.com, No. 59 outside linebacker from 247Sports.com
• Recorded 100 tackles, three interceptions and three forced fumbles as a senior.
• First team All-OCC, all-district and all-metro as a senior.
• Second team all-state.
• Team MVP and Marine Corps Distinguished Athlete.
• Had 160 tackles, four interceptions and three forced fumbles as a junior.
• Second team All-OCC, special mention all-district and honorable mention all-metro as a junior.
• Four-time academic achievement award winner.
PERSONAL
• Given named is Markus LaJuan Bailey.
• Born March 7, 1997.
• Earned bachelor's degree in movement and sport sciences in December of 2018; pursuing master's degree in leadership.