Maybe for the developmental league, it could be sort of a farm system type thing, where each NSFL team has a DSFL affiliate that they can sent player down and call them up?
[center][img src="https://i.imgur.com/8TovWce.png "width="450"]
[div align=center][SELECT style="background-color:Red; color:black; font-family:Times; font-size: 15px; width: 260px; "][br][OPTION]|| Chase Osborn || RB || S17 Draftee ||
[div align=center]
[div align=center][SELECT style="background-color:Red; color:black; font-family:Times; font-size: 15px; width: 260px; "][br][OPTION]|| Chase Osborn || RB || S17 Draftee ||
[div align=center]