Midseason redshirt decisions no longer revolve around counting four appearances. On October 17, Michigan faced a more urgent problem. Its starting quarterback had thrown two interceptions, the offense hadn’t scored, and 110,731 fans at Michigan Stadium were watching a team desperate for answers.
Coach Kyle Whittingham turned to freshman Tommy Carr.
Michigan trailed Penn State 3-0 at halftime. Carr entered after the break, completing five of seven passes for 47 yards and rushing for another 36. His 12-yard touchdown run helped the Wolverines escape with a 21-18 victory.
Carr didn’t rescue Michigan alone. Three defensive takeaways created scoring opportunities, and the running game supplied all three touchdowns.
Still, the freshman demonstrated something every college football coach needs approaching November: a backup capable of executing when the original plan stops working.
The NCAA’s new eligibility model has eliminated football’s familiar four-game redshirt exception. Coaches no longer need to manage freshmen around that appearance limit.
The rulebook changed. The pressure didn’t.
With conference races tightening and injuries accumulating, depth charts will reveal which programs developed dependable reserves and which simply recruited them.
The four-game calculation disappears
For eight seasons, college football coaches could use a freshman in up to four games without automatically exhausting a season of competition.
The exception allowed teams to introduce young players gradually while preserving future eligibility.
USC coach Lincoln Riley understood the dilemma.
Speaking to the Los Angeles Times in August 2026, Riley recalled debating whether five or ten late-game snaps justified sacrificing a freshman’s redshirt. Sometimes those conversations happened during games, forcing coaches to weigh future development against immediate substitutions.
That calculation has changed.
In June 2026, the NCAA Division I Cabinet approved an age-based eligibility model. Qualifying athletes generally receive a continuous five-year period beginning with full-time college enrollment or the applicable academic year following their 19th birthday, whichever comes first.
An August 3 legislative amendment also eliminated football’s four-game exception for competition beginning in 2026-27.
The transition, however, isn’t identical for every athlete.
Under the NCAA’s published guidelines, returning athletes with eligibility remaining after 2025-26 and students initially enrolling during 2026-27 can receive whichever outcome benefits them most under the previous or new framework.
Players initially enrolling in fall 2027 or later will follow the age-based model exclusively.
For athletes governed by the continuous clock, sitting out does not automatically preserve another season. Returning players who remain under the previous framework face different calculations, but the four-game exception no longer protects their appearances.
Coaches can therefore use prepared freshmen without worrying about crossing that former threshold.
Midseason redshirt decisions have shifted from counting appearances to judging readiness.
A linebacker who understands his assignments might help immediately. Another who struggles with offensive motion could need weeks of preparation.
The rulebook cannot make that distinction.
Nebraska’s 2025 roster shows what coaches once protected
Nebraska provides a clear example of the previous system.
Linebackers Pierce Mooberry and Willis McGahee IV preserved their redshirts in 2025 after appearing in four regular-season games apiece.
Nebraska’s official player biographies confirm that McGahee also participated in the bowl game, finishing with five appearances overall while retaining his redshirt.
Quarterback TJ Lateef followed a different path.
Lateef appeared in seven games, started four, and threw for 904 yards and five touchdowns. His expanded role meant he did not preserve a redshirt.
Those decisions reflected different roster priorities.
Nebraska protected future flexibility for two defensive players while continuing to use a quarterback who had become important to its offense.
The 2026 rules remove that familiar appearance-management problem.
In a September 29 Associated Press report, Nebraska coach Matt Rhule welcomed the change.
“If a guy is ready to play or he can help us, he plays,” Rhule said.
His explanation cuts to the central issue.
A freshman linebacker might possess enough speed to chase an outside-zone run but struggle when an offense disguises its blocking assignments.
Another could excel during tackling drills and still lose a running back in pass coverage.
Opposing coordinators exploit those mistakes quickly.
Eligibility flexibility gives coaches more options. It doesn’t eliminate the need to identify dependable players.
Michigan’s quarterback switch shows why preparation matters
Five days before Michigan faced Penn State, Whittingham publicly backed Bryce Underwood.
Reuters reported on October 12 that Michigan planned to retain both Underwood and offensive play-caller Jason Beck. Carr had received additional practice repetitions, but the quarterback depth chart remained unchanged.
Then came Saturday.
Underwood completed five of eleven passes for 43 yards and threw two interceptions before halftime. Michigan managed just 80 yards of offense and trailed 3-0.
Whittingham turned to Carr.
The freshman’s first possession ended with a punt, but Michigan’s defense soon created an opening.
Safety Rod Moore Jr. intercepted Penn State quarterback Rocco Becht. Two plays later, Bryson Kuzdzal broke through the middle for a 43-yard touchdown.
Michigan led 7-3.
On Penn State’s next possession, Chris Bracy intercepted Becht at Michigan’s 26-yard line. The Wolverines followed with an 11-play, 74-yard scoring drive.
Carr supplied a crucial 22-yard run, and Jordan Marshall finished the possession with a one-yard touchdown.
Michigan led 14-3 before Penn State responded, cutting the deficit to 14-11.
The decisive moment arrived late in the fourth quarter.
Bracy sacked Becht and forced a fumble that Enow Etta recovered. Michigan took over at the Penn State 13-yard line.
Three plays later, Carr scored from 12 yards out.
Penn State answered with a late touchdown, but Michigan held on for its first Big Ten victory of the season.
The university’s official October 17 box score confirms the sequence and Carr’s 83 combined passing and rushing yards.
His performance was hardly spectacular statistically. Michigan managed just 90 passing yards for the entire game.
But Carr protected the football, handled an unexpected substitution, and contributed when the defense created opportunities.
That is what reliable quarterback depth looks like.
A backup doesn’t always need to replicate the starter’s entire skill set. He must recognize pressure, manage the offense, and execute the plays his coaches trust him to run.
Michigan’s switch was a response to offensive struggles, not a documented consequence of the NCAA’s eligibility changes.
Still, it demonstrated why additional playing-time flexibility means little unless younger players are ready for meaningful snaps.
Offensive line depth can reshape an entire game plan
Quarterback substitutions attract headlines. Offensive line injuries often create bigger tactical problems.
Imagine a freshman left tackle facing a defensive end who threatens the outside shoulder before cutting inside.
The tackle oversets. Meanwhile, a defensive tackle loops around on a stunt, attacking the gap created by the initial movement.
The quarterback faces immediate pressure.
On the next possession, the offensive coordinator keeps a tight end in protection. Another adjustment asks the running back to help block instead of releasing into a passing route.
One inexperienced tackle has reduced the offense’s available options.
Houston coach Willie Fritz has emphasized the importance of avoiding that problem.
In August 2026, the Houston Chronicle reported Fritz’s goal of developing at least nine offensive linemen capable of contributing.
Freshmen Aaron Wolford and Noah Abebe were among the players competing for reserve roles.
Houston’s offensive line subsequently became one of the Cougars’ strengths.
An October 15 Houston Chronicle report credited the group with allowing just one sack through six games. Houston’s athletics department also confirmed the unit’s selection to the Joe Moore Award midseason honor roll.
That recognition reflected more than individual blocking talent.
Offensive linemen must recognize defensive fronts, communicate protection changes, and respond when defenders exchange assignments.
A reserve who misses those adjustments can compromise an entire drive.
Coaches need to expose younger linemen to difficult stunts, delayed blitzes, and unfamiliar defensive alignments before injuries force them into action.
The NCAA’s eligibility changes provide more freedom to use freshmen. They cannot accelerate physical development or teach protection calls overnight.
A backup who understands the protection is more valuable than a talented freshman who merely knows where to line up.
Vanderbilt finds value in smaller freshman roles
Not every young player needs an immediate starting opportunity.
Special teams can provide a useful route into college football, and Vanderbilt has already demonstrated how the new eligibility structure encourages participation.
According to Associated Press reporting from September 29, the Commodores had used seven freshmen during the early portion of the 2026 season.
At the comparable point in 2025, Vanderbilt had used three.
Coach Clark Lea welcomed the flexibility, explaining that a freshman could contribute one snap per game or earn a larger role without the staff tracking a redshirt threshold.
Those limited assignments serve a purpose.
A young defensive back might not understand every coverage adjustment, but he could already possess the speed and tackling ability needed for punt coverage.
Similarly, a freshman linebacker could struggle with complex defensive rotations while handling kickoff responsibilities effectively.
Special teams provide an opportunity to evaluate players under genuine pressure.
A gunner must maintain leverage against a blocker. Kickoff coverage requires precise pursuit angles and reliable open-field tackling.
Those responsibilities can expose weaknesses that practice drills sometimes conceal.
They also build trust.
A freshman who consistently executes on special teams may earn additional defensive snaps when injuries affect the regular rotation.
Vanderbilt’s approach shows how midseason redshirt decisions can emphasize useful developmental opportunities instead of appearance management.
The objective isn’t to play every freshman. It’s to identify roles for those who are ready.
The transfer portal complicates the backup’s future
The new eligibility model changes conversations between coaches and their reserves.
Previously, preserving a redshirt gave coaches a clear reason to limit freshman appearances. Under the continuous five-year model, sitting out no longer automatically saves a season.
For a receiver buried behind three veterans, that distinction matters.
He may want to know when he’ll get meaningful snaps and what he must improve to earn them. A backup quarterback facing another season on the bench could ask similar questions.
The transfer portal offers alternatives, but changing schools does not restart the eligibility clock.
Coaches need answers beyond promises about next year.
A receiver struggling against press coverage needs better releases. An inexperienced linebacker must recognize how motion changes his gap responsibility.
Specific development plans give players a reason to trust the process.
Still, opportunities must be earned. Opposing coordinators will attack defenders who miss assignments, while offensive staffs cannot sacrifice quarterback protection to reward an unprepared lineman.
The challenge isn’t keeping every reserve satisfied. It’s showing each player a credible path to the field.
Programs that communicate those expectations clearly may be better positioned to retain developing talent without compromising their immediate performance.
November will separate available players from dependable depth
By November, opposing coordinators have studied every team’s protection schemes, personnel packages, and defensive tendencies.
They know where to attack.
An inexperienced tackle will face repeated pressure. A freshman linebacker will encounter motion designed to create hesitation. Backup quarterbacks must recognize disguised coverage before the pocket collapses.
Wisconsin coach Luke Fickell addressed that reality in September.
Speaking to the Associated Press, Fickell argued that freshmen who arrived early had already spent months inside their programs. As injuries accumulated, coaches would need more from them.
His point was practical.
A player doesn’t become dependable because the depth chart suddenly needs him. Trust develops through difficult practices, repeated assignments, and mistakes corrected before Saturday.
For an offensive lineman, preparation might mean recognizing a defensive stunt that confused him two weeks earlier.
A young linebacker may finally identify the blocking combination that opens a cutback lane.
Meanwhile, a backup quarterback could spend an entire week rehearsing one protection adjustment that becomes critical against a conference opponent.
Those moments rarely appear in box scores. Yet they determine whether a team survives injuries without abandoning its identity.
Michigan offered a timely example against Penn State.
Whittingham needed a different quarterback, and Carr gave him one. The freshman didn’t produce extraordinary passing numbers. He executed a manageable game plan while the defense created opportunities.
That is the distinction November will expose.
The old four-game exception forced coaches to consider when younger players should appear. The new system removes that restriction without answering the most important question.
Can the backup execute when the game depends on him?
Some programs will have reserves who recognize defensive movement, communicate protection changes, and adjust without hesitation.
Others will discover that impressive recruiting classes offer little protection against a missed assignment.
Consider a starting tackle leaving during a fourth-quarter drive with the conference title at stake.
His replacement won’t get another week of film study. He won’t have time to correct the footwork that failed during Tuesday’s practice.
Across from him, an experienced pass rusher will already know where to attack.
The crowd will rise. The quarterback will call for the snap, and the freshman will have to make a block his coaches should have prepared him to make.
November won’t reveal how many backups a program recruited. It will reveal how many were ready when winning depended on them.
READ MORE: Why motion at the snap is rendering traditional man coverage obsolete
FAQs
Q1. What happened to the NCAA’s four-game redshirt rule?
The NCAA eliminated football’s four-game exception beginning in 2026-27. Coaches no longer need to limit freshmen to four appearances to protect that former exemption.
Q2. Can college football players still redshirt in 2026?
Returning players may still preserve a season under the previous eligibility framework. However, the new age-based system uses a continuous five-year clock.
Q3. Why did Michigan replace Bryce Underwood with Tommy Carr?
Michigan’s offense struggled during the first half against Penn State. Carr replaced Underwood after halftime and helped the Wolverines win 21-18.
Q4. Why do November depth charts matter in college football?
Injuries and difficult conference games test backup players. Teams need reserves who can execute assignments without forcing major changes to their game plans.
Q5. Does entering the transfer portal restart NCAA eligibility?
No. Under the new age-based model, transferring does not restart the five-year eligibility clock.
