Walter Football has posted scouting reports on both Winston and Mariota. I'll post a few highlights of each.Winston:
Strengths:Excellent pocket passerPhenomenal at making progressions through his receiversGreat pocket presenceAccurate throwerPhenomenal anticipationInnate timingQuick releaseThrows into tight windowsGenerally a good decision-makerAdvanced field visionKeeps his eyes downfield while scramblingMobile with running abilityMakes plays with his feetThrows well on the runBails out blockers with ability to avoid sacksHard to tackle; tough to bring down for sacksVery intelligent; understands the chess matchAudibles wellMastered a pro-style offenseHas worked under center as well as shotgunImpressive football I.Q.Proven leader with passion for the gameWinner at collegiate level 26-0 as starterGreat at fourth-quarter comebacksExperienced 2-year starterExcellent on third downsGood teammateDoes everything coaches ask of himQuality arm that can make all the throws for the NFLIdeal height, bulkDurableToughness, plays injuredWeaknesses:Very immature off the fieldNumerous off-the-field transgressionsIncrease in interceptions as a sophomoreHad some slow starts to games in 2014As a prospect from a pure football perspective and ignoring the off-the-field issues, Winston is elite and in Andrew Luck's ballpark as a quarterback prospect. Winston is a potential franchise quarterback who can lead his team to championships. Numerous sources from multiple teams agree that Winston is just a little bit behind Luck, but is a better prospect than Cam Newton, Sam Bradford or Matthew Stafford were when they came out and went No. 1 overall. The off-the-field issues are the things that could derail him from reaching his potential. However, one can be sure that some team is going to look past the off-the-field issues and take Winston early in the 2015 NFL Draft.
Link: http://walterfootball.com/scoutingreport2015jwinston.php Mariota:
Strengths:Extremely athleticDangerous runnerFast and agileAccurate passerQuick releaseStrong armMakes good decisionsVery good at avoiding interceptionsHas the potential for plus field visionSometimes makes progressions through a defenseThrows well on the runBails out blockers with ability to avoid sacksIntelligentProven leader with passion for the gameWinner at collegiate levelExperienced 3-year starterGreat teammateDoes everything coaches ask of himVery humble and eager to learnPhenomenal work ethicDurableBig upsideToughness; plays injuredWeaknesses:Pocket passing must improveRarely threw into tight windowsBall placement needs to get betterPlayed in a college system, not a pro-style offenseCan look to run too quickly when his first read is coveredMust improve footworkFumbles the ball regularlyWill need practice working under centerCould use more beef on his frame to help durabilitySources across the NFL love Mariota off the field. He is said to be extremely hard working with a great attitude and is an exceptional teammate. Some reports have said that there are some who feel he isn't enough of a vocal leader, but none of our sources have said they view that as a concern. WalterFootball.com knows some general managers who are skeptical of Mariota as a passer and his developing into a passer who can function out of the pocket. However, even those skeptics say that Mariota is tremendous off the field and love his humility. Across the league, some team officials who aren't completely sold on Mariota feel he is worth developing and could turn into a great player. They say that Mariota has great upside. Mariota will be drafted early in the first round, and he is a worthy pick to become a potential special quarterback. However Mariota needs development, so it may not benefit him to start immediately.
Link: http://walterfootball.com/scoutingreport2015mmariota.php