The Belgian midfielder’s move from Everton has seen him team again with Round and Reds boss David Moyes following five years working under the pair at Goodison Park.
Having worked extensively with Fellaini at close quarters, Round is certain the 25-year-old’s skills and abilities will complement those of his new team-mates.
“He will add some real physical presence to us in midfield, some strength, and he scores goals,” Round told MUTV.
“He’s a player that will get regular double figures, and he is maybe a player that we didn’t really have in the middle of that midfield.
“We have some very good footballers – Michael Carrick is an unbelievably good passer, Tom Cleverley is busy, lively and links play, Anderson will drive forward with the ball, dribble and create.
“Maybe we needed that bit of presence and authority that can sit in the middle of the pitch and dominate a game from that perspective. It gives a nice blend and balance to mix the midfield up.”
Round also feels the former Standard Liege player’s strength of character will help him make the adjustment to life in the Old Trafford spotlight.
“He’s a very strong character, with very good self-belief,” Round adds. “It won’t daunt him to play at this level and he