Both lines of scrimmage received plenty of attention from Lincoln Riley and the USC staff this offseason and throughout spring camp. It’s been discussed how important those two groups are as the Trojans look to establish themselves as contenders in their inaugural Big Ten season. Following USC’s spring game this past weekend, Riley spoke about the offensive line and where it stands at this point. Previously this spring, Riley said the offensive line was definitely a position the Trojans would recruit in the transfer portal. But he also sounds pleased enough with what USC currently possesses up…