Possible Clues:

• Tangential topic
• Susie dies foolishly for a matter of lesser importance
• Not the main topic, a marginal one
• Teams go to court over current distraction
• Illegitimate children? A red herring
• Children supporting team? It's not an important matter
• Seems the edge is the end of 13 across, but that's not the main thing
• Adjunct for team members with children
• Number eleven or fifteen first? That's not so important
• Eleven children - a minor concern