Kellner is a guard who stands out for his vision and ability to create opportunities for others. He consistently made smart decisions with the basketball, setting up teammates for open looks and keeping the offense moving efficiently. His awareness allowed him to make the defense react and exploit openings, particularly when feeding the ball inside or kicking it out to perimeter shooters. Kellner’s ability to control the flow of the game and make timely passes adds stability to the offense. He shows a strong understanding of spacing and timing, which improves his effectiveness as a facilitator.