To make doubles of a player you like, first make a custom team.
Assign the player(s) to the custom team. (By the way, you need to
have a minimum of 11 players. Just put junkie players on your team
for the extras.) Save the team roster. Now assign the player you
want a duplicate of to the team you want him on. ex. Let's say that
I want a copy of Mike Alstott. First I'll put him on my custom team.
The I'll save the team. Now I will load that save and assign Alstott
to let's say, the Panthers. Now there should be an Alstott on both
the Buccs and the Panthers. Enjoy created those cloned teams