Originally posted by NCommand:
I agree with the premise of the article, although I don't think using that 3rd & 15 is a good example of why the defense needs to be able to play man more effectively. Like Geidi mentioned, playing man against elusive QBs is playing with fire. If an elusive QB escapes the pocket, then man coverage can get you in trouble since it's difficult to play man for over 4 seconds.
I had suggested the defense be capable of playing man coverage better, but the foundation of this defense is zone. And it makes a lot of sense to be this way with the strength of the defense being the DL. I do think that with better man CBs, mixed with creative blitz packages, it can be a good way to change things up against mobile QBs at certain points within a game. If the 49ers do some honest self scouting, I think they will see that playing man coverage more effectively would add a new dimension that they can go to in key situations.
With Sherman probably slowing down physically, asking him to play more man wouldn't be playing to his strength. So the 2020 defense could be more of the same (very zone heavy). Perhaps start keeping an eye out for more athletic CBs so that once Sherman hangs them up, there's a new crop of 49er CBs that can play both man and zone reasonably well. Like Hero said, the really good man CB prospects go round 1. It would be a big commitment of draft capital to go that route, but I think it's possible to get a couple CBs that can do a little bit of both well enough that the front 4 makes them better than they actually are.