Area of concern for Top 25 college football teams in 2025 - ESPN

While optimism runs high at most every college football program this time of year, even the rosiest picture has some lurking shadows.

That is true even for the 25 teams in our post-spring Power Rankings. No matter how deep the rosters seem, everyone has some question marks or potential weak spots.

Our college football reporters take a look at the biggest areas of concern for each of the top teams, the potential Achilles' heel that could keep them from reaching their goals for the season.

Area of concern: Wide receiver

The Nittany Lions addressed the wide receiver spot in the portal with Syracuse's Trebor Pena and others, but until they actually elevate their production, questions will linger. Penn State has had only one wide receiver rank among the top 10 in the Big Ten in receiving in the past three seasons (Tyler Warren played tight end). Both Warren and top receiver Harrison Wallace III are gone, and Penn State needs its portal haul — Pena, a second-team All-ACC wideout in 2024, as well as Devonte Ross (Troy) and Kyron Hudson (USC) — to give quarterback Drew Allar enough capable targets this fall. Although Allar's big-game struggles are also concerning, he hasn't had a great group of receivers at his disposal during his Penn State career. — Adam Rittenberg

Area of concern: Running back

The position group that has been discussed more than any other since the spring at Clemson is running back — the only position on offense that loses the bulk of its production with Phil Mafah off to the NFL. But the Tigers have plenty of depth at running back, and that should help ease any concerns as they move into fall camp. Particularly because running back traditionally has been an area where Clemson has excelled, even when other