A second team in the form of an under 18 youth team would be cool. 15, 16, and 17 year old athletes. As they age out of the youth system either you sign them or they vanish forever out of the system. Max number of signees could be up to 2 optional signees.
Take the already established draft and reduce it to 2 draftees making for a maximum of 4 new 18-19 year olds per season unless you buy more from the market.
The youth team would be purely optional for everyone and free so anyone could do it. Utopia could be kept on as a paid option for people like myself that enjoy it.
Maximum number of teams per user would be 3 if you opt in for the youth team and the Utopia team. Something like this plus extending the range of youth trainers either up to 21 or down to the 15 yr olds would bring more value to that staff member that they simply have more work.