As some programs plan to replace stars like Dwayne Haskins, Clayton Thorson and Trace McSorley, others have big-time experience returning to the Big Ten Conference.

The early projections point to a strong year for the quarterback position with multiple first-round NFL-caliber players projected to start for Big Ten teams in 2019.

Which rooms look the best on paper? Big-time transfers, recruits and returning stars are already hard at work in winter training activities.

We look at factors like quarterback depth, statistical rankings among returning players, growth potential and personnel changes to predict the top rooms heading into spring camp.

Here is how the quarterback rooms shape up on the way to spring practice, but there is still plenty of time before teams make their final calls for the start of the 2019 season.