Why did Manchester United pay Chelsea £48m for Andrey Santos?

Michael Carrick’s first signing is a surprise, but the Brazil midfielder will help the team deal with Casemiro’s exit By Opta Analyst Andrey Santos moving from Chelsea to Manchester United was not on our summer transfer window bingo card, but the Brazilian has become Michael Carrick’s first signing. United desperately needed reinforcements in midfield, especially after Casemiro’s departure and Manuel Ugarte’s long-term injury, so deals for Santos and Youri Tielemans will be welcomed by…