Mitchell Robinson is mentoring his potential replacement in New York

Brooklyn Nets v New York Knicks - Emirates NBA Cup | Luke Hales/GettyImagesThe Knicks are entering a window in which they hope to compete for multiple championships. At some point, they may be forced to make some difficult financial decisions as their roster gets more expensive. Among those decisions is the future of Mitchell Robinson. If they do opt to move off Robinson to give them some cap wiggle room, his replacement may already be on the roster: Ariel Hukporti, who Robinson has been mentoring.

Robinson is the Knicks' longest-tenured player. It feels like his name comes up in trade rumors every season. Most of it stems from his inability to stay healthy consistently throughout his…