The numbers don’t even seem real.Over his last five games, Devin Booker has missed just five times in 21 3-point attempts. Twice during the month-long hot streak, he’s won Southeastern Conference Freshman of the Week honors, including this week.Kenny Payne has been on the sideline for every one of those 16 makes, but he’s not willing to say Booker has reached his shooting ceiling.”I think he’s hot, but I think he has more in the tank,” UK’s associate head coach said with a smile. “I’d like to see him be a little bit hotter.”Told Booker is shooting better than 76 percent, as if to suggest he can’t do any better, Payne didn’t bat an eye.”Let’s get to 85,” said Payne, his smile even bigger this time.Of course, expecting the smooth guard to shoot any better from the outside than he has been is probably unrealistic, but the notion that Payne would even think to say it speaks to Booker’s ability.”He’s willing to take any shot we need him to take,” Karl-Anthony Towns said. “We all feel like (his shot) is going in any time he puts the ball in the air. One of those things about Devin Booker is he’s just a flat-out shooter. He’s a flat-out shooter and a flat-out scorer. Anytime you give him the ball it feels like two or three points are going to be put on the board at any given time.”Booker’s hot streak has bumped his 3-point shooting percentage on the season to .500, which would tie him for fourth nationally if he wasn’t just shy of the 2.5 makes per game needed to qualify for the NCAA leaderboard. Considering he was shooting 35.9 percent a month ago and 1 of 11 through his first three games, that’s all the more impressive.”He’s worked so hard,” Payne said. “From the day one that he walked into this program to today, he’s gotten so much better. He’s playing with unbelievable confidence. If you give him an inch he can shoot the ball.”Add in Booker’s 47.6-percent shooting from inside the arc and 83.3 percent from the line and it should come as no surprise that he ranks 13th nationally in offensive rating according to kenpom.com entering a matchup with Missouri (7-8, 1-1 Southeastern Conference) at 9 p.m. ET on Tuesday.It’s a game, by the way, that Payne says will mean a little more to Booker. “His father’s one of the best players to ever play at Missouri,” Payne said. “Kid has spent a lot of time up there. This will be a rivalry game for him.”Booker’s father, Melvin, was the Big Eight Player of the Year and a first-team All-American in leading the Tigers to an unbeaten conference regular-season record and the Elite Eight in 1994. “Devin’s a competitor,” Towns said. “He’s always been a competitor, so I just see him being very energized for this game.”Booker was plenty energized in his last game even without the added edge of playing his dad’s team, playing a career-high 35 minutes and scoring 18 points as No. 1 UK moved to 15-0 with a double-overtime win at Texas A&M. In a game that wasn’t decided until the final seconds, Booker made big play after big play.”Well, you know what was great for him last game: It’s the first time he has been in late and he really performed,” John Calipari said. “He attacked, he didn’t settle for jumpers, made his free throws. Broke down defensively, but we all did in that game, the last one. But we wouldn’t have been in the game if he didn’t make shots in the first half.”The game was UK’s third in a row decided by single digits after the Wildcats blitzed through their first 12 games without a single such outing, to which Coach Cal said “enough is enough.” He knows similar battles await the Cats in conference play no matter what he says, but he is asking some open-ended questions to push his team back toward the form that had experts talking about an unbeaten regular season as if it was closer to a likelihood than a possibility.”Have we lost our edge?” Calipari said. “Have we lost our swagger? Have we lost a little bit of our focus? And then if we have, what was it? What was our swag about? What was our focus about? What was our edge? What gave us an edge?”To that end, Calipari held individual meetings on Monday followed by a team meeting. Afterward, Payne suggested that lost edge is mostly to do with energy and focus on the defensive end.”We’ve gotta get that back,” Payne said. “I think if you look around every media outlet, every newspaper article is Kentucky basketball. People are coming to play against us, they’re playing hard against us. That should intensify us, not make us go backwards.”So far, Booker is responding to the challenge in kind, though Payne says even he has room for improvement.”Like to see him put it on the floor a little bit more, because he’s capable,” Payne said. “But what can you say about a kid with a stroke like that? He’s a threat no matter where he is on the floor.”