Chelsea have allowed striker Michy Batshuayi to join Borussia Dortmund on a loan deal until the end of the season.
Arsenal have completed the signing of Gabon international Pierre-Emerick Aubameyang from Borussia Dortmund for a club-record fee of £56-million.
Bundesliga side Borussia Dortmund have signed Spain youth international Sergio Gomez from Barcelona on a long-term contract.
Usain Bolt is excited about his trial with Borussia Dortmund in March as the sprinting great looks to pursue a football career.
Arsene Wenger suggested he is happy if Arsenal do not manage to sign Borussia Dortmund star Pierre-Emerick Aubameyang before the January transfer window closes.
Everton have completed the signing of Theo Walcott from Arsenal in a deal reportedly worth £20-million.
Liverpool manager Jurgen Klopp believes his team is playing to finish second in the Premier League, saying Manchester City has the title sealed.
Egypt and Liverpool forward Mohamed Salah beat off competition from Sadio Mane, Pierre-Emerick Aubameyang, Naby Keita and Victor Moses to be crowned 2017 BBC African Footballer of the Year.
Cristiano Ronaldo became the first player to score in all six Champions League group-stage matches as Real Madrid beat Borussia Dortmund.
Antonio Conte is wary of focusing too much on Chelsea old boy Mohamed Salah, as the Italian believes Liverpool carry multiple threats.