Premier League clubs spent a record amount in the summer of 2017.
Nemanja Matic has immediately improved United's midfield.
Ivan Perisic may finally be happening.
The Spaniard got his first Premier League start in 2017 on Saturday.
Leicester had its greatest triumph less than a year ago.
Klopp's team has had a poor run since Christmas.
The transfer window is open until January 31.
Bradley is the first American coach in the Premier League.
Mourinho's side is sixth in the Premier League.
Ibrahimovic scored twice for United on Sunday but can't play against Arsenal.
"For the team, you have to do anything."