As an analyst who's crunched numbers for ESPN and The Athletic, I dissect TJ McConnell's viral 'leave everything' quote ahead of NBA Finals Game 6. Through biomechanical efficiency metrics and playtype data, we'll explore how Indiana's backup PG embodies playoff intensity – and why his 18/4/4 stat line undersells his tactical value. Spoiler: that 2.3% steal rate against Shai Gilgeous-Alexander matters more than you think.