The LB has a clear path to the RB, but doesn't go upfield and wait for the RB to come to him.
https://mfn1.myfootballnow.com/watch/8646#1567775

This is something that had been reported to me, but I hadn't seen an example of it that is this clear: https://die-hard-fans.myfootballnow.com/watch/1426#263983

Watch how the SS tracks the RB. The SS is going to move laterally, but he moves too far toward the sideline and cannot recover.

There are a few problems here:

1) Defenders are supposed to pursue up field when they have a clear LOS between them and the RB. This is not happening.

2) The angle on the lateral pursuit needs to be adjusted. Players should still move laterally, but the movement doesn't need to be 180 degrees to the sideline. Instead, the lateral pursuit should draw a line between the defenders starting position and the down marker. That is the defender should intersect the ball carrier at the LOS at the down marker if the ball carrier goes all the way to the sideline.

Getting #1 working is more important than #2, but both would be nice.

I've seen it several times in this game : the defender attacking the RB instead of waiting for him to cross the LoS. Great.
https://mfn1.myfootballnow.com/watch/8680#1573571