Jurgen Klopp announces he will leave at the end of the season, saying he's running out of energy; Klopp leaves a legendary legacy behind after nine years at Anfield, and Liverpool blow Chelsea away in first game since Klopp's announcement; Newcastle claim Villa scalp in Birmingham; Spurs' 10-minute blitz edges them past Brentford; Adebayo hits hat-trick in unbelievable 4-0 win over Brighton; a quiet January transfer window comes to a close in a new Financial Fair Play reality.