He adds some disadvantages as well. He's reportedly not the best passer, which will further hinder our build up from the back if he's going to be paired with Smalling most of the time. Valencia and Young aren't exactly Alves and Marcelo either, which means that either Matic or Pogba will end up dropping really deep to get us playing. Mourinho obviously saw this as a problem worth fixing, for that was his stated rationale for signing Lindelof. Now that it's clear that Lindelof has some rough edges, the apparent fix is to sign yet another rough diamond, who has his own weaknesses and isn't guaranteed to be first choice anyway.
We needed pace at centreback, so we signed Bailly. Bailly wasn't the best passer, so we signed Lindelof. Lindelof wasn't the best aerially, so we got Mina. Mina wasn't the best __________, so we got __________.
Nah. Get the finished article or polish the rough diamonds we already have, IMO.