I know he's talking mainly about the three specialists (K, P, LS). But to me their special teams, while good last year, weren't elite as they were in some previous years.
Rick Gosselin had the Rams 9th in his detailed special teams rankings.
FootballOutsiders had them 17th.
Part of it is they need 16 games from Zuerlein. But their kick coverage, punt return and kick return units weren't great last year. Good overall, not great. I'd love to see the Rams be a true top 3-4 special teams unit in 2019.