Okay seriously I've spent too much time on this.

0 - GB hasn't let anyone use it
1 - unofficially retired
2 - Malik Willis wouldn't give it to Matthew Golden
3 - retired
4 - retired
5 - unofficially retired
6 - terrible number
7 - Quay
8 - Jacobs
9 - Watson
10 - Love
11 - Reed
12 - Will be retired
13 - Wicks
14 - retired
15 - retired
16 - terrible number/Bo Melton
17 - McMannus
18 - Malik Heath (maybe)
19 - Whealan (maybe)
20 - Bullard (maybe)
21 - Hobbs

Alright that's enough.

My money says the Packers allow him to go with 0