Kendall Rogers has South Alabama as the cream of the crop in his Sun Belt preview. He also predicts the SBC as a one bid league, with the Cajuns most likely to be a second team if the league gets two.
That goes back to my podcast with Coach Deggs where we talk about how hard it is now for mid-majors to get at-large bids now that the Big Ten is a multi bid league
D-1 has CUSA with four teams and the Big West with three. The American and SBC just one each.