Wiktionary
inside back
n. (context rugby English) a back whose primary job is to create space for the outside backs outside him, i.e. the scrum-half, the fly-half and the inside centre.
Usage examples of "inside back".
Worse, they'd ordered occasional amnesties under which political prisoners were released to placate the Mob, which put people who'd experienced InSec's brutality from the inside back outside to tell their tales of mistreatment—.
He still ended up gazing at the inside back of his pajamas through the hole.