Can you "measure" clutch, yeah you can.

This is a chart of player rankings for shots taken in the last 5 seconds of a game, game winners pretty much over the past 3 seasons...

Kobe is number 1
9/19 47.4% FG% 5/12 41.7% 3FG%

Lebron
0/11 0.0% FG% 0/9 0.0% 3FG%