Here's my version of the depth chart:
PG: Rondo 34 mins, R. Allen 6 mins, Pruitt 4 mins, House 4 mins
SG: R. Allen 28 mins, T. Allen 14 mins, House 6 mins
SF: Pierce 34 mins, Posey 14 mins
PF: Garnett 30 mins, Powe 10 mins, Davis 4 mins, Posey 4 mins
C: Perkins 28 mins, Pollard 10 mins, Garnett 5 mins, Davis 5 mins
Total
Kevin Garnett: 35 minutes
Paul Pierce: 34 minutes
Ray Allen: 34 minutes
Rajon Rondo: 34 minutes
Kendrick Perkins 28 minutes
James Posey 18 minutes
Tony Allen 14 minutes
Eddie House 10 minutes
Scott Pollard 10 minutes
Leon Powe 10 minutes
Glen Davis 9 minutes
Gabe Pruitt 4 minutes