"I just totally, 100% object to this," Thomas said as they watched James put shots up. "If I was the GM or coach, I would never let one of my players walk out on the floor looking like this.

But, well, apparently it was a pretty big deal because Detroit Pistons legend and NBA Hall of Famer Isiah Thomas took great exception to James' choice ... addition in the race for Clutch Player ...

Pistons legend Isiah Thomas lambasted LeBron James for warming up shirtless prior ... Dennis Scott deserves consideration as a late addition in the race for Clutch Player of the Year.

NBA legend Isiah Thomas criticized LeBron James for practicing shirtless before a crucial game against the Houston Rockets, deeming it unprofessional and urging the NBA to fine him. Thomas argued ...