I was wondering what the heck the FJ was doing running down there, then I saw they were in an onside formation. haha!
Onside mechanics with an 8 man crew look weird to me. You've got six officials between the restraining lines. Then again, I've never worked a game with more than 5 officials.
FJ should just run around him and flag him. No need to lower the boom. It's still 15 yards.
This is probably a point where NCAA and FED differ, but NCAA sideline interference (15 yards) occurs if an official has to avoid a coach without contact? Going back to a play that
twref mentioned in the Clemson game,
somebody's blag posted about it complaining that it wasn't obvious -- but in the gif they have, you can see the H running down the sideline at the start, then he has to run on the field to avoid a coach at the end. Would that be the auto-15 for having to avoid a coach?
The blog post was focused on the jumping, acrobatic coach who clearly didn't interfere with an official (although he was in the restricted zone), but that's probably not what drew the flag.
In FED, the auto 15 only comes with contact. If I have to avoid but don't make contact, it's only the next level of "warning".