Last season, Ramon Sessions was the starter on opening night and Jarrett Jack was most frequently in the lineup. Both of them are gone. The Knicks now have three candidates for the spot – Frank Ntilikina, Trey Burke and Emmanuel Mudiay. All of them are former Top-9 draft picks, and all of them believe they should be the starter. Based on their production last season, Burke is the frontrunner. He is, by far, the best scorer in this bunch. Ntilikina, 20, still probably has the highest upside, but he’s more of an offguard who plays better alongside a ballhandler. Mudiay had fitness issues last season but, according to a source, dropped about 15 pounds in the summer. If he can suddenly – and consistently – exhibit the talent that made him a No. 7 draft pick only three years ago, he’ll emerge as the starter.