If Froch has any say in the editing, he wouldn't show his hand before the fight.
Most camps don't even allow footage of sparring to be filmed, let alone released.

Having the handful of people that see sparring footage think you look bad for 30 seconds isn't as important as looking good on the main event.

I think you're all reading into it a bit much, sparring is done with purpose, you don't try to 'win' sparring. For all we know he's sparring Eubank Jr. to get accustomed to having a fighter with fast hands leading off on him. You do what you're bad at and purposefully put yourself in positions where you're vulnerable. If Groves is smart he'll be having bigger, stronger sparring partners bully him - and if he's training and not posing he'll look bad doing it.

I'm not saying that froch is in good or bad form, just that it's foolish to read too much into sparring footage, I hope george groves saying froch looks bad sparring is a bluff.