Kentucky has five juniors and one senior on this season's roster, including five that are getting a decent amount of playing time.
A normal John Calipari coached team considers sophomores veteran leaders, but let's take a look back at how juniors and seniors have fared under Calipari at Kentucky.
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2009-2010: John Calipari didn't recruit any of the juniors or seniors on the roster that season, and actually saw nine players from the 2008 team leave the program.
It was Calipari's first No. 1 recruiting class for UK and freshmen dominated the team for UK.But the upperclassmen that did return had their chance to prove it on the floor.
Juniors/Seniors: Seven.
Patrick Patterson, Jr: In his last season at Kentucky Patterson actually saw his numbers decrease. He averaged 14.3 points and 7.4 rebounds, totals lower than both his freshman and sophomore seasons.
But there's no denying Patterson was a better player. With Kentucky being a title contender his junior season he was finally surrounded with talent so his totals were down. However, Patterson combined for zero threes his first two years. He hit 24 in 2009-2010, shooting 35 percent from deep.
Patterson would leave Kentucky be drafted No. 14 in the NBA Draft.
Josh Harrellson, Jr: Harrellson's first season under Calipari was his worst year at Kentucky. The transfer played just four minutes a game scoring 28 points on the season.
His time would come the following season, when he returned as a senior.
Ramon Harris, Sr: Harris never seemed to reach his potential at Kentucky and with his senior year coming when Calipari renovated the roster, it wasn't good news for the Alaskan.
Harris did play, he averaged 11 minutes per game. Harris' calling was his defense but March rolled around his minutes decreased.
Mark Krebs, Sr: The former walk-on played just 44 minutes his senior season, scoring six points. Krebs was best known for being a solid teammate, and being the recipient of "shooot" chants from the crowd.
Perry Stevenson, Sr: After solid sophomore and junior seasons, Stevenson played second-fiddle to the more talented freshmen John Calipari brought in when he arrived.
He averaged just 7.6 minutes per game scoring just 44 points on the season. His lowest total in four years.
2010-2011: The John Calipari Era at Kentucky was officially underway. It became clear that UK's roster would be drastically changing from season to season. The Cats had some returning players but unlike in 2010, UK was going to rely on them.
Juniors/Seniors: Four.
Darius Miller, Jr.: The junior had now finished one season under Billy Gillispie and one season under John Calipari. His sophomore season was a success all things considered, but Kentucky was going to ask much more from him 2011.
The Kentuckian didn't disappoint. In another starting role he had his best statistical season at UK. He averaged just under 11 points, 4.6 rebounds and 1.7 assists per game. He shot a career best 44 percent from deep, hitting 58 threes on the year.
He was a big reason why UK advanced to the Final Four but his senior season would lead to bigger things.
Eloy Vargas, Jr.: When Enes Kanter was ruled ineligible by the NCAA it seemed like a blessing UK landed Vargas, a JUCO player. But things didn't work out for Vargas his junior season or his senior year.
He averaged just over seven minutes per game and an underwhelming 1.5 points and two rebounds per game. Things wouldn't get better from an individual standpoint in 2012.
DeAndre Liggins, Jr.: Few imagined Liggins would be a player that would leave early but thanks to his stellar junior campaign it was made possible. What Liggins lacked in offense he made up for on defense.
He was UK's lock-down defender and a big reason why UK reached its first Final Four since 1998. He averaged 31.6 minutes per game to go with 8.6 points, four rebounds, 2.5 assists and 1.2 steals.
Liggins was drafted in the second round of the NBA Draft and is in the NBA D- League.
Josh Harrellson, Sr.: The lone senior became a fan favorite in 2011. Expectations were low for the Missourian but after Kanter was ruled ineligible Harrellson became a starter.
Harrellson's senior season may have been Calipari's best work with a single player. He anchored Kentucky inside averaging 7.6 points, 8.7 rebounds and 1.5 blocks per game. He was drafted in the second round of the NBA Draft.
2011-2012: In a season that would bring Kentucky its eighth national championship, Calipari didn't play too many upperclassmen. Freshmen and sophomore dominated the roster but one senior was the glue that kept things together.
Juniors/Seniors: Four.
Jon Hood, Jr.: Hood was injured and was given a medical redshirt in 2011-2012.
Twany Beckham, Jr.: The transfer played just 2.8 minutes per game and didn't record a point.
Darius Miller, Sr.: As mentioned, Miller's senior season wasn't his best statistically, and he found himself coming off the bench the majority of the season, but he was one of the better sixth-men in the country, if not the best.
Miller averaged one point less his senior season, 9.9 points per game, to go with 2.8 rebounds and a career high 2.1 assists. Miller was a second round pick in the NBA Draft but currently plays in Germany.
Eloy Vargas: Vargas' senior season found himself behind one of the best players in college basketball history, Anthony Davis. Vargas averaged just six minutes per game and scored 28 points on the year. He went undrafted in 2012.
2012-2013: Things finally caught up to John Calipari's recruiting strategy in 2012-2013. Calipari still brought in one of the top classes in the country but lost more than he imagined to the NBA Draft.
The Cats upperclassmen were a disappointment and Calipari would miss the NCAA Tournament for the first time as the UK head coach.
Juniors/Seniors: Four.
Jarrod Polson, Jr.: Polson actually played more than probably anyone imagined in 2012-2013, which may have been part of the problem. Polson came to UK as a walk-on but averaged 13.8 minutes and 3.1 points per game. Polson was continually complimented by Calipari for his effort, something lacking on the team that season.
Jon Hood, Jr.: Hood's first season after his injury wasn't overly successful. The junior averaged just 6.3 minutes per game, which would actually be his most in a Kentucky uniform, but averaged 1.5 points and 1.2 rebounds. He'd be back for a senior season but would see his minutes decrease.
Twany Beckham, Sr.: Beckham played slightly more minutes in 2013, 3.4 per game, but still didn't make a major impact.
Julius Mays, Sr.: The journeyman who had stops at N.C. State and Wright State found himself at Kentucky for his final season. It didn't seem Mays was brought in to start and play significant minutes for the Cats but with how the season unfolded Mays found himself in a major role.
He played 33 minutes per game, averaging 9.3 points to go with three rebounds and three assists per game. His three-point shooting was a bonus for UK, hitting 65 threes at a 37 percent clip. He went undrafted and currently plays overseas.
2013-2014: John Calipari was going to make sure the 2013 season didn't happen again.
Several freshmen returned and Calipari brought in his best recruiting class to date. "Keep Calm, The Twins Are Coming," was a rallying cry for fans, but the entire freshmen class, along with the returnees pushed the Cats to the title game. Possibly if UK had more upperclassmen the Cats could have won the entire thing.
Juniors/Seniors: Two, plus three walk-ons.
Jarrod Polson, Sr.: Polson's surprising junior campaign didn't turn into an impressive senior year. He played every so often and averaged just 8.5 minutes and a point per game.
Jon Hood, Sr.: Hood arrived in the John Wall and DeMarcus Cousins recruiting class but never locked in valuable minutes on the floor. His senior season was his best statistical year playing 6.3 minutes per game scoring 34 point son the year, including six three-pointers.
2014-2015: Calipari's 2014-2015 was certainly his deepest team at Kentucky and also had the most veteran leadership a Calipari coached team has had at UK.
Once highly recruited targets, Alex Poythress and Willie Cauley-Stein returned for their junior seasons, giving UK older guys with talent and leadership.
Juniors/Seniors: Two, plus three walk-ons.
Willie Cauley-Stein, Jr.: The fun-loving junior had been up-and-down as a freshman and sophomore, but put it together as a junior. With a loaded frontcourt that featured freshman Karl-Anthony Towns and sophomore Dakari Johnson, Cauley-Stein brought the athleticism.
He averaged 8.9 points, 6.4 rebounds and 1.7 blocks per game. He played just 25.9 minutes per contest but was drafted No. 6 in the 2015 NBA Draft.
Alex Poythress, Jr.: The junior's roller-coaster ride took a major dip in 2015. He was off to an OK start in John Calipari's platoon system before suffering a torn-ACL in December.
Poythress missed the remainder of the season and elected to return to UK for his senior season. He was averaging 5.5 points and 3.8 rebounds per game before being injured, his worst numbers as a college basketball player.
2015-2016: The 2015-2016 season has featured its fair share of bumps on the road for Kentucky, but the Cats have a handful of juniors and seniors that are providing valuable minutes.
While the stars are freshmen and sophomores, the older guys may dictate just how far this Kentucky team will go in March.
Juniors/Seniors: Six
Marcus Lee, Jr.: The former five-star forward is having an average season. His 7.4 points and 6.7 rebounds per game is solid, but Lee's biggest problem this season is staying on the floor.
He's averaging 3.1 fouls per game and has had four or more fouls in seven games this season. The once starter now comes off the bench for the Cats and likely will until he can stay out of foul trouble. He is leading the Cats with 1.7 blocks per game.
Mychal Mulder, Jr.: The JUCO junior was brought in late by Kentucky when John Calipari missed on other targets in the 2015 class. Mulder's role was minimal in the first half of the season but with Calipari searching for answers Mulder has seen more minutes. However, he's still just averaging .9 points and 1.6 rebounds per game.
E.J. Floreal, Jr.: The former walk-on has played just four minutes this season for Kentucky.
Dominique Hawkins, Jr.: It seemed like the Kentuckian wouldn't get many minutes his junior year as UK had Tyler Ulis return and the Cats brought in Isaiah Briscoe and Jamal Murray, but Hawkins may have had the most memorable game any UK player will have this season.
His 13 points, three three-pointer performance against Louisville helped the Cats knock off their rival. Unfortuantely for Hawkins he was injured the next game and hasn't returned. Calipari recently said he re-injured his ankle and Hawkins has no timeline to return.
Derek Willis, Jr.: No player has been a bigger surprise than Derek Willis. He has worked his way into the starting rotation and leads UK in rebounding over the past three games. His ability to spread the floor with his three-point shot has made him one of Kentucky's most dangerous offensive players.
He's averaging just 6.2 points and 3.3 rebounds on the year, but those numbers are trending upward as of late. Willis will be an important piece for Kentucky moving forward after having quiet years in 2014 and 2015.
Alex Poythress, Sr.: It's worth noting that Poythress could still apply for a medical redshirt and return as a fifth-year senior. However, Poythress has had a solid season, especially considering he's coming off major knee surgery. It's his best statistically since his freshman year.
He's averaging 9.8 points and 6.6 rebounds while starting for the Cats. Poythress has had to play some five for UK this season but when he stays out of foul trouble he's been a viable defensive and offensive option for the Cats. It remains unclear if he'll head to the NBA Draft after this season.