The 1,276 yards led the Atlantic Coast Conference and broke Harry Douglas' school record.
[6] On December 8, 2020, Atwell announced that he would opt out for the remainder of the 2020 season due to an undisclosed injury.
[12] In 2021, Atwell won Super Bowl LVI when the Rams defeated the Cincinnati Bengals 23–20.
[13] In Week 11 of the 2022 season, against the New Orleans Saints, Atwell scored his first professional touchdown on a 62-yard reception.
[16] He scored a 38-yard receiving touchdown in the Rams' Wild Card Round loss to the Detroit Lions.