No one in men’s college basketball has won back-to-back national titles since the Joakim Noah-led Florida Gators did so in 2006 and 2007. The 6-2 Johnson, who started his career at Cincinnati, is the WCC Defensive Player of the Year and this team’s leading scorer – 14.7 points to go with 4.8 rebounds and 3.7 assists a game. Record: 24-9 …