What happened: The No. 13 overall pick is signing a fully guaranteed contract. Ed Berry of CAA Sports completed the deal.
Why it matters: The agreement puts the Rams' entire draft class under contract before training camp. A fifth-year option gives Los Angeles another season of club control.
By the numbers: The four-year deal averages $6.35 million annually. The signing bonus accounts for 58.8% of the contract's total value.
What to watch: Attention shifts to Simpson's training-camp work ahead of the 2026 season.