Some names:
Gio Lopez (South Alabama): #25 in Total QBR as a redshirt freshman, reported a 3.4 high school GPA
Caden Veltkamp (Western Kentucky): #30 in Total QBR as a redshirt sophomore, reported a 3.7 high school GPA and 25 ACT
John Mateer (Washington State): #31 in Total QBR as a redshirt sophomore, Pac-12 Academic Honor Roll and College Sports Communicators Academic All-District
Darian Mensah (Tulane): #34 in Total QBR as a redshirt freshman, reported a 3.5 high school GPA, from California
Devon Dampier (New Mexico): #44 in Total QBR as a true sophomore, Mountain West All-Academic, majoring in electrical engineering, reported 3.8 high school GPA
Aidan Bouman (South Dakota): #2 PFF grade in FCS, has a sixth year of eligibility left next year, MVFC honor roll
Jaden Craig (Harvard): #5 PFF grade in FCS in his third year, goes to Harvard
Camden Coleman (Richmond): #9 PFF grade in FCS (albeit splitting time) as a true sophomore, Glenn Scholar Athlete Award for highest GPA, Rotary Club Award for Academic Excellence
Joe Pesansky (Holy Cross): #12 PFF grade in FCS as a fourth year player, still has a fifth year if he wants it, Patriot League Academic Honor Roll
Tommy Rittenhouse (Illinois State): #13 PFF grade in FCS as a fourth year player, still has a fifth year if he wants it, academic all state in high school
Malcolm Mays (Hampton): #14 PFF grade in FCS (albeit splitting time) as a fourth year player, still has a fifth year if he wants it, CAA Commissioner's Academic Honor Roll
Hayden Johnson (Lehigh): #16 PFF grade in FCS (albeit splitting time) as a true freshman, reported 3.98 high school GPA
Brady Meitz (Stetson): #20 PFF grade in FCS as a fourth year player, still has a fifth year if he wants it, PFL Academic Honor Roll, pre-med biology major who plans to go to medical school and become an orthopedic surgeon
Miller Moss (USC): #26 in Total, one year of eligibility left, just saying maybe there's a world Riley gets fired or decides he needs a sexier QB or Moss wants to get Stanford on his resume after all this time.....yeah, I said day dreaming
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Just some names I'd be intrigued by if neither Daniels nor Brown takes big strides the rest of the way. The first five guys (plus Moss of course) are good major college football quarterbacks right now. The FCS guys obviously play much worse competition and would be riskier (though one could also imagine some FCS guys transferring to Stanford to be backups). Among that group, Bouman, Pesansky, and Rittenhouse play legitimate competition by FCS standards and Bouman already leads a flat out better team than Stanford. The others are likely too big of a leap in competition to be worth considering unless it's consciously as a backup option if we experience QB attrition this offseason.
If I'm Troy Taylor, Mensah, Dampier, and Bouman get a loooooooong look. Now, my thinking on this is probably not novel and these guys may have much better options than Stanford, but you don't make shots you don't take. Again, absent a big month ahead it is possible that probabilistically nobody in our pipeline is likely to be a better option next year.
Elijah Brown likely still our QB of the future and it's far too early to write him off, just musing on what's out there.