Every night, it seems, Brad Stevens is experimenting with the right way to jumble his bench lineups.



The Celtics head coach, by his own admission, still isn’t sure what will work best behind his team’s five best players. His rotations have fluctuated, sometimes severely, from one night to the next. With a young second unit, Stevens is obviously searching for steady help.



He already knows the Celtics are built to rely heavily on their starters and Marcus Smart (who is starting in Gordon Hayward’s absence). Even with Hayward missing Monday night’s 99-85 win against the Suns, that group took 55 of the team’s 67 shots over the first three quarters. Some of the key players sat during garbage time of the lopsided win, but it has still been abundantly clear early this season that the Celtics will depend on their main guys for just about everything offensively. The stars will create most of the shots, take most of the shots and register the...