In big moments, Devonte' Graham has been Kansas' X factor all season

OMAHA, Neb. -- As the final seconds ticked off the CenturyLink Center scoreboard, Devonte' Graham raised his arms and gazed into a section of euphoric Kansas supporters.

Then he turned toward to his team's bench to find walk-on teammate Clay Young already sprinting right for him. As has been the case all season, Graham's timing was on point, and he leaped to meet Young for a midair embrace.

While Malik Newman and his career-high 32 points were the biggest reason Kansas toppled Duke in overtime Sunday, Graham and his combination of leadership, poise and big shot-making is the biggest reason Kansas is two wins away from a national championship.

That's quite the triumph for Graham, a player who…