Let’s not forget too that he’s still 19. I watched the game and saw at least 2 transitions where he signaled the coaching staff to relieve him but both times he was left in the game.
 
I think this just pushes him to improve his stamina since now he knows how it feels playing 25 minutes and beyond.

Shouls have stayed in for 2 more 2pts and rebs

Kids most minutes this year he has a cold and get 18 n 18. Ya he definitely should be coming off the bench great coaching frank. SMH. Worst coach in the nba. 

Cold aside, it does seem conditioning is still somewhat of an issue, but the only way to build endurance is by pushing yourself.  Now, on the other side, research shows injuries are much more likely when you are fatigued, with Drummond’s huge frame amplifying that issue.  So I can see why the plan is/was to slowly build his minutes.  The thing is, if he was starting, then his minutes could be managed more efficiently to get more court time and more rest.  Last night was I believe the first time he ever re-entered a game for any substantial amount of time in the first half after sitting for a brief rest.  If he starts and gets 8 – 10 minutes, he can have a good rest and come back in for last 6 or 8, thus getting him up past the 30 minute per game mark, without single stretches longer than he is playing now.  This helps build his endurace, and makes the team better, and it needs to happen now.

A cold? Seriously?  A cold is nothing this guy is a professional athlete the cold has virtually no effect.  What I saw was a guy playing his ass off and looking tired because of it.  Much better than seeing him half ass his way to another 8 rebound 8 point game.  He is talented and if he keeps playing and practicing like he did last night, the conditioning will come along.