I use PFF stats to get their independent view of the players.
The highest rated UConn QB for passing in a game was Evers vs FAU at 77.4. The lowest rated QB for passing was Evers vs Duke at 55.5. Fagnano has been more consistent with a low of 62.4 vs Temple and a high of 72.6 vs. Merrimack and he was 67.0 vs Buffalo. For the season, Fagnano is rated 64.3 as a passer and Evers is rated 63.4. What I think (hope?) this says is that Fagnano is what he is, an average FBS QB with experience and Evers is less experienced with more potential upside.
One important takeaway is that QB play has improved over the past few years and here are the PFF passing grades for the QB who played the most by season:
2024: Fagnano 64.3/Evers 63.4
2023: Roberson 65.2
2022: Turner 46.0
2021: Zergiotis 37.5
2019: Zergiotis 45.2
2018: Pindell 61.2
2017: Shirreffs 70.0
2016: Shirreffs 62.5
2015: Shirreffs 57.5
2014: Whitmer 59.7