UConn's offensive line has been arguably the biggest barrier to success on the football field. It made modest improvements from 2014 to 2015, but this year the expectation is that it performs much better in 2016.
Four of last year's five starters return from a year ago. This continuity and consistency should benefit them greatly, as many players have multiple years of experience under their belt.
The center position is arguably the most important position on the line for this reason, as he needs to be able to decipher the defense and make protection adjustments while being on the same page as his quarterback.