Training camp looms large for Pittsburgh Steelers fans as the team reports during the upcoming week. While there are no battles for any starting positions on offense, the battles for backups and other roster spots will be intense. Fans are licking their chops to view rookies Mason Rudolph and Jaylen Samuels as they step onto the field and vie for spots, but the tussle for what might be the biggest backup position oddly isn’t receiving any chatter. The backup tackle, or ‘Swing Tackle’, position could either be the linchpin of a successful offense, or the Achilles’ heel of a sputtering, dysfunctional unit.