Oregon State Adds Offensive Lineman Carter Guillaume from Transfer Portal

The 6-foot-1 lineman brings pass-blocking experience from FCS to Beavers' offense

Mar. 15, 2026 at 7:55pm

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Oregon State has added offensive lineman Carter Guillaume to its roster via the transfer portal. Guillaume, a 6-foot-1 interior lineman, spent one season at Louisville after playing at Southeast Missouri State in 2024. While undersized for the FBS level, Guillaume excelled in pass protection at the FCS level and will look to continue that success with the Beavers.

Why it matters

Oregon State is looking to bolster its offensive line depth and talent through the transfer portal, and Guillaume represents a potential value addition given his strong pass-blocking abilities. The Beavers are expected to run a pass-heavy offense under the new coaching staff, making Guillaume's skill set an appealing fit.

The details

Guillaume appeared in just two games at Louisville last season, playing 11 offensive snaps. However, he was a standout at Southeast Missouri State in 2024, playing 1,012 snaps and allowing just 11 pressures as a pass blocker. At 6-foot-1 and around 285 pounds, Guillaume is undersized for an interior offensive lineman, but his strong technique and leverage could make up for the lack of ideal size and length. The Beavers are hoping Guillaume can develop into a productive starter along the offensive line.

  • Guillaume played one season at Louisville in 2025.
  • In 2024, Guillaume played in all 13 games for Southeast Missouri State, logging 1,012 offensive snaps.

The players

Carter Guillaume

A 6-foot-1, 285-pound offensive lineman who transferred to Oregon State after one season at Louisville and one season at Southeast Missouri State.

JaMarcus Shephard

The new head coach of the Oregon State Beavers, who is looking to bolster the offensive line through the transfer portal.

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What they’re saying

“If he's able to continue to be a strong pass blocker and his run blocking can be effective enough to not be classified as a liability, the Louisville transfer has an opportunity to be one of the Beavers' better transfer portal pickups in terms of value.”

— Dylan Callaghan-Croley, Reporter (on3.com)

What’s next

Guillaume will look to earn a starting role along the Beavers' offensive line during spring and fall practices, with the goal of solidifying the unit's pass protection ahead of the 2026 season.

The takeaway

Oregon State's addition of Carter Guillaume represents a low-risk, high-potential move as the Beavers look to improve their offensive line through the transfer portal. While undersized, Guillaume's strong pass-blocking abilities could make him a valuable asset in the Beavers' pass-heavy offense.