In conference action, he averaged 14.2 points and 5.2 rebounds per game, and was in double figures in 15 of 18 conference contests. His best effort came in a loss to No. 10 Maryland, when he had 26 points, including 18 in the second half, along with six rebounds and three assists. That was one of four 20-point efforts in Big Ten play, as he also had 25 points and six rebounds at Iowa on Jan. 5, 21 points and seven caroms in the win over Michigan State on Jan. 24 and 20 points and seven boards in the Big Ten opener against Indiana on New Year’s Eve. One of Shields’ best Big Ten performances came against Northwestern on Feb. 3, when he had 11 points on 4-of-5 shooting and a career-high eight assists. Against Minnesota on Jan. 20, he scored 13 of his 15 points in the second half and also had seven rebounds in a three-point win over the Gophers.
Shields showed an advanced all-around game in non-conference play, averaging 17.2 points and 6.9 rebounds per game in NU’s first 12 contests. In the opener against Northern Kentucky, he had 18 points, including 10-of-10 from the foul line, and followed up two days later with 16 points and 11 boards in a win over Central Arkansas. Shields nearly carried the Huskers to an overtime win at Rhode Island, finishing with 25 points on 10-of-17 shooting, and nine rebounds in a loss to the Rams. He put on an electrifying show against Omaha, pouring in a career-high 35 points on 12-of-16 shooting, including 4-of-4 from 3-point range. Shields keyed NU’s win at Florida State in the ACC/Big Ten Challenge with 21 points and eight rebounds against the Seminoles. He closed non-conference action with five straight double-figure efforts, including 22 points in the win over Ohio at the Diamond Head Classic.
In Big Ten play, Shields was in the top 13 in both scoring (12.7 ppg) and rebounding (5.9 rpg), one of only six players in the conference to accomplish the feat. Shields was in double figures 11 times in conference action, including five of Nebraska’s final six games. Shields was bothered by a knee bruise early in Big Ten play, as he averaged just 5.8 points per game in NU’s 0-4 start before leading NU with 18 points and nine rebounds in a win over No. 17 Ohio State on Jan. 20. Shields keyed NU’s win over Indiana in Lincoln on Jan. 30 with 211 points, four rebounds, four assists and a career-best four steals, as the Huskers overcame a 13-point halftime deficit. He erupted against Illinois on Feb. 12 with 33 points and tying Jack Moore’s mark for free throws in a game without a miss. Shields recorded his first double-double of 2013-14 against Purdue on Feb. 23 with 18 points and 10 rebounds and followed up with 17 points and 10 rebounds in a win over Northwestern on March 1. Shields then closed the season with his best week of the year, averaging 21.5 points and 5.5 rebounds per game in wins at Indiana and against No. 9 Wisconsin. At Indiana, he scored 11 of his 17 points in the second half, and added eight rebounds as the Huskers pulled away down the stretch for their first-ever win in Bloomington. He capped the regular season with 26 points, on 10-of-17 shooting, in a win over the Badgers on March 9.
Shields opened non-conference play on a roll, reaching double figures in each of his first five games. He erupted for 28 points against Florida Gulf Coast on Nov. 8, leading the Huskers in points, rebounds (six) and assists (three) to earn Big Ten and National Player-of-the-Week honors. He broke out of a mini slump against Creighton on Dec. 8 with a team-high 22 points, including a pair of 3-pointers, four rebounds and two assists. He paced NU in scoring with 15 points on 5-of-8 shooting and five rebounds against Arkansas State on Dec. 14 and scored 15 of his 17 points in the second half against The Citadel on Dec. 21 while adding six rebounds and three assists.
Shields played some of his best basketball in the Big Ten Tournament, averaging a team-high 16.5 ppg on 61 percent shooting and 5.5 rebounds per game. He led NU in scoring with a game-high 19 points and added six rebounds and a pair of steals in a 57-55 win over Purdue in the first round on March 14 before totaling 14 points and five rebounds in a quarterfinal loss to No. 10 Ohio State the following day.
Shields, who started every Big Ten game but the conference opener, ranked among the league's top freshmen in scoring (9.2 ppg, seventh), rebounding (6.0 rpg, second), field goal percentage (45.0 pct., seventh), 3-point shooting 42.3 pct, second) and steals (0.9). A two-time Big Ten freshman of the week, Shields was 11th in the conference in rebounding, while raising nearly all of his numbers from non-conference play. His biggest contributions came on the boards, as he grabbed at least five rebounds in seven of the Huskers' last eight contests.
During conference play, Shields reached double figures in scoring five times, including a 17-point, seven-rebound performance in the comeback win over Iowa on Feb. 23. He earned Big Ten Freshman-of-the-Week honors for the second time on the season for his performance. Shields collected his first career double-double with a 19-point, 13-rebound effort against No. 8 Michigan State on Feb. 16, the first double-double by a Husker freshman since the 2004-05 season. He set career highs in consecutive games in January, highlighted by a 29-point effort at Penn State on Jan. 19. Shields hit 10-of-11 shots from the field and went 8-of-8 from the line in posting the highest scoring effort by a Husker freshman since 2007 (Ryan Anderson at Hawaii). Shields also had team bests in both rebounds (six) and steals (three) to help NU to its first Big Ten win. On Jan. 16 against Purdue, Shields became the first Husker freshman in three years to lead the team in scoring with a then-career-best 18 points and eight rebounds. For his performances against the Nittany Lions and Boilermakers, Shields was named Big Ten Freshman of the Week. It was the first time since 2009 that a Husker freshman was honored by the league. He averaged 23.5 points on 73 percent shooting and 7.0 rebounds per game in the two games.
During non-conference play, Shields played in just one of the Huskers' first six games because of elbow surgery in October before returning to the rotation in December. He set season bests in scoring in three straight non-conference games (Creighton, Oregon and Jacksonville State), capping the run with 14 points on 6-of-7 shooting against JSU. He played a major role in NU's runner-up finish at the Sun Bowl Invitational in El Paso, averaging 5.5 points on 55 percent shooting and 7.0 rebounds in games against Central Michigan and UTEP.
As a senior, Shields was a consensus first-team Class 6A selection in Kansas after averaging 21.2 points, 8.5 rebounds and 3.0 assists per game for Coach Michael Grove at Olathe Northwest High School. He shot 60 percent from the floor, including 43 percent from 3-point range, in helping the Ravens to a 20-2 record and an appearance in the sub-state finals. Shields helped Olathe Northwest to an unblemished record in league play, earning Sunflower Conference MVP honors. In addition, he earned second-team all-class honors from the Topeka Capital Journal and Wichita Eagle, a first-team all-metro selection by the Kansas City Star and was a finalist for the DiRenna Award, signifying the top player in the Kansas City metro area.
As a junior, Shields was a second-team all-Class 6A honoree and a first-team All-Sunflower Conference selection, as he averaged 17 points and six rebounds a game. His efforts helped the Ravens finish 17-5 and fall one game shy of reaching the 2011 state tournament. A three-star selection by Rivals, he was rated as the No. 6 prospect in the state of Kansas by ESPN.com. Shields transferred into Olathe Northwest for his sophomore year, earning Sunflower League Newcomer-of-the-Year accolades. He also starred playing AAU ball for the MoKan Elite and Coach Rodney Perry.
An outstanding student with a 4.0 GPA, Shields was on the honor roll throughout high school and a National Honor Society member.