It means something actually.
For example:
I was registered on: 18/1/2011
Manager level: 37
Club level: 32 (top?)
And I've seen someone who is:
Registered on: 1/8/2011 (7 months after me)
Manager level: ??
Club level: 20
And I've also seen someone who is:
Registered on: 11/7/2011 (6 months after me)
Manager level: 33
Club level: 32
It gives you the idea that who is a slowpoke and do not mind to LOSE A LOT, and who is the hardcore.