UK head coach John Calipari’s theme, for nearly every game, is that improvement must be made. The outcome can be largely discarded. This motto is especially important to a young, still-developing team as March gets closer. Delving into this motto, I wanted to examine a component for selected players and see how they’re trending. I chose effective field goal percentage — which is a statistic based on both two-point and three-point percentages, with threes being…