Pro Football Focus has the San Francisco 49ers run defense ranked 28th for 2018. They go on to say we suffer from not having a true nose tackle and that Earl Mitchell had the worst run-stop percentage of any player in the NFL last season. You can read more about that in the first two articles listed below.
I didn’t like us signing Mitchell in the first place and some people went as far as to call me a Debbie downer for not liking either his or the Malcolm Smith signings.