I see where they’re coming from with the signing. Cheap, home grown (I think?), experienced, slots in perfectly to replace Davies etc etc.
But, I would be the same as you. We’ve needed a proper new LB for years. I think Udogie has proven over the last few seasons that he a)can’t stay fit and b) just isn’t very good at a lot of facets of the game. Contrary to popular belief I think he is a good defender, but he is absolutely woeful in an attacking sense, in fact I would say one of the worst in the league. He will really struggle with De Zerbi ball I fear.
Robertson comes in as a clear back up option as opposed to genuine competition for Udogie, which is what was needed, but I think they’ve made such a horrible mess of the squad in general that left back again gets pushed to the wayside with other positions a priority.