Interesting to compare Tanganga with Romero. Romero can be a bit undisciplined in defence. I'm not sure how in tune he is with Dier. Tanganga though is perhaps more inclined to follow Diers lead.
Against Preston Tanganga showed his more attacking side, probably because he wasn't under much pressure. There are similarities between Tanganga and Romero. Both mobile, tough in the tackle, a bit rash , both pass quickly and firmly sometimes hospital passes !! I would suggest Tanganga might be better in the air.
This comparison might be down to me not rating Romero as highly as some and Tanganga the opposite, I rate him.