1st when you click on friends team to support as a fan, you could you be given a bonus such as you do on opening screen multi choice of red treatments, blue moral boosters, green rests, tokens or money. This will encourage other players to support each other.
2nd To have a player of the year award just like real football, The winner gets tokens, could also have 2nd and 3rd, 3 tokens for first, 2 tokens for second and 1 token for third. I know we have top goal scorer but this would be based on players ratings throughout the season.