The San Diego State Aztecs have an offense that’s loaded with returning skill position players, from quarterback Jayden Denegal to running back Lucky Sutton to a host of wide receivers. So it’s incumbent upon the line to continue to protect them and open holes at a high level as the Aztecs look to make a strong impression as they move into the new-look Pac-12. Although the line lost three starters from the team that went 9-4 and played in a bowl game for the first time in three seasons, it does return a fair amount of experience that the coaching staff must blend together with several players from the transfer portal. Why this matters Denegal made it through all 12 regular-season games, but nursed shoulder injuries all year and finally had to have his non-throwing left shoulder surgically repaired in mid-December, forcing him to miss the New Mexico Bowl. He’s healthy now and is looking forward to being more productive this season.…