Statistical proof that Tony Allen hasn't developed much over the past five years:
Stats per 36 minutes
04-05: 14.0 ppg, 6.3 rpg, 1.8 apg, 2.2 spg, 0.7 bpg, 47.5 fg%, 38.7 3pt%, 2.2 tpg, 4.5 pf
05-06: 13.6 ppg, 4.1 rpg, 2.5 apg, 1.9 spg, 0.7 bpg, 47.1 fg%, 32.4 3pt%, 2.5 tpg, 4.6 pf
06-07: 16.9 ppg, 5.5 rpg, 2.5 apg, 2.2 spg, 0.5 bpg,51.4 fg%, 24.2 3pt%, 3.4 tpg, 3.9 pf
07-08: 13.0 ppg, 4.4 rpg, 3.0 apg, 1.6 spg, 0.6 bpg, 43.6 fg%, 31.6 3pt%, 2.9 tpg, 4.4 pf
08-09: 14.8 ppg, 4.0 rpg, 2.2 apg, 2.2 spg, 0.7 bpg, 47.6 fg%, 16.7 3pt%, 3.1 tpg, 4.0 pf
I don't see how anybody looks at that progression and sees any development. Tony Allen is essentially the exact same player now as he has been the past four seasons.