Most fans who make themselves heard on social media comment 'We NEED Otamendi' probably without really knowing anything about him. What those people refuse to acknowledge is that things are actually looking promising at the back already.
While he perhaps does not receive the acclaim some feel he deserves, Blind is one of United's most important players at present and with the hectic festive period looming, the midfielder's absence is likely to seriously dent their chances of returning to Europe's elite competition.
Out of contract in the summer and therefore likely to be available on cut-price deals in January, here's a look at six short term options for van Gaal and United - any of which could be valuable assets over the next couple of years.
Manchester United boss Louis van Gaal has stressed youth will continue to get a chance at the club and that Danny Welbeck
Manchester United will take their summer spending up to £144.7 million after confirming the transfer of Daley Blind from
Manchester United's remaining transfer targets appear to have been whittled down to four players with four days of the transfer
With the transfer window open for just five more days the rumours are starting to get that bit more bizarre. Case in point
Manchester United's megastore shirt printers have run out of "R"s and they might need few more if anyone wants "Arturo" on
Manchester United changed the frontman but they forgot about the band, and Louis van Gaal currently resembles Mike Jagger
Manchester United's sixth win out of six under Louis van Gaal was, by their manager's own admission, their worst performance