Teams have a 5th year option on 1st Round picks. Forbes was a 1st Round pick in 2023.
The Rams declined the 5th year option on Forbes. That 5th year would be 2027.
2026 is Forbes' 4th year. He is under contract with the Rams for 2026.
In fact, his $2.85M salary in 2026 is guaranteed. Rookie contracts are fully guaranteed.
Even if the Rams cut Forbes this year, he would count against their cap for $2.85M.