Rakeem Christmas, J.P. Tokoto emerge on Day 1 of combine

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CHICAGO -- The 2015 NBA draft combine made its way from hotel interviews and measurements to the court on Thursday. Hundreds of NBA GMs, scouts and head coaches sat courtside as 36 (mostly second-round) prospects played 5-on-five and a handful of higher-ranked prospects went through shooting drills and athletic testing.

I spent time watching, and talking to as many people as I could, both at the combine and later back at the Palmer House, where NBA prospects, agents and front-office folks were gathered.

Here's what I heard: