The ACC is Miami’s to lose. SMU and Clemson could make it complicated.

Miami is the ACC favorite for reasons that go well beyond a July ballot. Mario Cristobal just took the Hurricanes to the national championship game, then replaced Carson Beck with the quarterback who won the league at Duke. That move made the conference race more personal as well as more difficult: Darian Mensah left the defending ACC champion for the team now expected to replace it. The official media poll put Miami first by a wide margin, but the roster—and the way Cristobal has built it—is the real story.

Mensah gives Miami proven production at the position that matters most. He threw for 3,973 yards with 34 touchdowns and six interceptions at Duke last season, and he arrives with two of the ACC’s most dangerous returning playmakers waiting for him. Malachi Toney became an immediate star as a freshman, Mark Fletcher Jr. gives the offense a veteran runner, and fellow Duke transfer Cooper Barkate adds another established target. If that group develops timing quickly, Miami can attack defenses without asking Mensah to manufacture everything himself.

The concern is up front. Miami must replace Francis Mauigoa, Anez Cooper, Markel Bell and James Brockermeyer from the offensive line. Cristobal and line coach Alex Mirabal have veteran options in Matt McCoy and Ryan Rodriguez, plus former five-star Samson Okunlola and freshman Jackson Cantwell, but this is a major reconstruction around a new quarterback. The defensive line is changing too after Rueben Bain Jr. and Akheem Mesidor left for the NFL. Damon Wilson II, Ahmad Moten Sr., Armondo Blount and Marquise Lightfoot now have to replace proven production.

SMU has the cleanest argument against Miami because Rhett Lashlee does not need to introduce a new quarterback or offensive identity. Kevin Jennings is back for a fifth year after helping the Mustangs win 20 games across their first two ACC seasons. Jalen Cooper and Yamir Knight give him speed outside, while transfer running back Kendrick Raphael can punish light boxes. The Mustangs’ title case comes down to whether a reworked defense featuring Marcellus Barnes Jr. and Ira Singleton IV can create enough stops for that offense to matter in December.

Clemson may have the best individual talent among Miami’s challengers, but it also carries the biggest quarterback question near the top of the league. Christopher Vizzina takes over after throwing 105 passes across his first three seasons, with freshman Tait Reynolds behind him and Chad Morris back to call the offense. T.J. Moore led Clemson with 837 receiving yards last season, Bryant Wesco Jr. remains a vertical problem and Sammy Brown returns after making 107 tackles. The Tigers can beat anyone in the conference if Vizzina and a reshaped offensive line let that talent decide games.

Louisville can make the race uncomfortable in a different way. Jeff Brohm has built his career around making quarterbacks productive, and Ohio State transfer Lincoln Kienholz now gets his turn. Isaac Brown gives the Cardinals a proven runner, while Clev Lubin anchors the defense. The risk is turnover: Louisville welcomed 48 newcomers into spring practice. Brohm has upgraded through the portal before, but this roster must become a team quickly. If Kienholz settles in and the rebuilt line holds up, Louisville can beat one of the favorites rather than merely hang around the standings.

Georgia Tech belongs in the next conversation because Brent Key has given the program a physical identity and then attacked its biggest vacancies aggressively. Alberto Mendoza, Fernando Mendoza’s younger brother and a reserve on Indiana’s national-title team, is the leading new quarterback. Justice Haynes arrives after rushing for 857 yards and 10 touchdowns in seven games at Michigan. Both looked comfortable in the spring game, and Key also added help along both lines. The Yellow Jackets are replacing Haynes King and much of the production that drove last season’s offense, so Mendoza’s readiness will determine whether this is a reload or a step back.

The strangest team in the league may be Duke. Manny Diaz won the ACC in his second season, then watched his championship quarterback transfer to the favorite. Walker Eget, a sixth-year transfer from San Jose State, and redshirt freshman Dan Mahan are competing to replace Mensah. Duke still has a defense shaped by Diaz and the confidence that comes with winning the conference, but the Blue Devils cannot play the same way offensively until one of those quarterbacks proves he can carry it.

There is real intrigue beyond that group. James Franklin begins his first season at Virginia Tech with Penn State transfer Ethan Grunkemeyer positioned to compete at quarterback. Virginia named Missouri transfer Beau Pribula its starter after an 11-win season. NC State kept CJ Bailey in Raleigh and can build its offense around a quarterback other programs wanted. Florida State has already named Ashton Daniels its starter, with Duce Robinson and Ousmane Kromah giving Mike Norvell proven skill talent. None deserves to be promoted into the leading tier on reputation alone, but all four have a clearer football case than their place in a preseason list can explain.

The new nine-game conference schedule raises the cost of every weakness. Most ACC teams will play nine league games plus another Power Four opponent or Notre Dame; the other five will play eight conference games and two opponents from that group. That means the champion is less likely to be protected by a favorable draw, and it puts extra pressure on rebuilt offensive lines and new quarterbacks. Miami’s September version may look different from its November version. The same is true of Clemson, Louisville, Georgia Tech and Duke.

Miami remains the pick because it combines the league’s best recent result, the most accomplished incoming quarterback and a skill group that can win games while the lines settle. SMU is the most trustworthy challenger because Jennings and Lashlee give the Mustangs continuity at quarterback and play caller. Clemson has the roster to jump both of them if Vizzina is ready. Louisville and Georgia Tech have enough coaching and backfield talent to punish anyone who treats the ACC as a three-team league.

So yes, the ACC is Miami’s to lose—but not because 165 voters said so. The Hurricanes have Mensah, Toney, Fletcher and the program momentum of a national-title run. They also have to rebuild the two position groups Cristobal values most. SMU offers continuity, Clemson offers star power, Louisville offers Brohm’s offense and Georgia Tech offers a tougher weekly game than its national profile suggests. That is a conference race built around quarterbacks, line play and coaching decisions, not poll arithmetic.