The Packers traded RB/WR Ty Montgomery to the Ravens after he fumbled a kickoff that he was told not to take out of the end zone against the Rams. It turns out that wasn’t the first time he’s attempted to take a kickoff out of the end zone when he shouldn’t have.
When Montgomery was at Stanford back in 2012 he tried to make an ill-advised return during the Fiesta Bowl, but was stopped when one of his teammates tackled him in the end zone.
https://www.youtube.com/watch?v=qBWYvCo8Rvw
If only the Packers were aware of this beforehand, they might have been able to tackle him in the end zone and hand the Rams their first loss.