Arm strength. Precision. Intangibles.

These are all qualities coaches covet in a starting quarterback, the player designated to lead by example and direct his team to a special season.

Which signal callers will outperform their peers at college football's most important position this fall?

Outside of the handful of recognizable All-American level passers, there's a logjam of talent among Top 25 teams and others itching to break into the oft-talked about mix this season. What goes into a 25-player projection five months out from kickoff? This list is subjective and was determined by a variety of factors including projected numbers relative to team success, impact in respective conferences, NFL probability and expected development from last season to now.

There will be snubs and players ranked in spots you don't agree with, which is part of what makes every preseason power ranking entertaining to dissect. Here's a look at college football's Top 25 quarterbacks exiting spring ahead in anticipation of the 2019 season later this year: