Motta believes his side, depleted by the injury absences of Nico Gonzalez, Teun Koopmeiners, Gleison Bremer, Arek Milik and Douglas Luiz, need to improve in all areas.

Serhou Guirassy scored his 21st goal of the season as Stuttgart beat 10-man Union Berlin 2-0 on Friday to move one point behind second-placed Bayern Munich in the Bundesliga.

Kane scored twice and now has 20 goals from just 14 league matches since joining Bayern in the summer from Tottenham.

World number one Iga Swiatek defeated Australian Open champion Aryna Sabalenka in straight sets to win her second consecutive Stuttgart title on Sunday.

Maria Sharapova marks her return from a 15-month doping ban with a rusty 7-5, 6-3 win over Roberta Vinci in Stuttgart, describing victory as the "best feeling in the world".

From the shadow of Chernobyl's nuclear wasteland to international super-stardom and from penniless arrival in the United States, without a word of English, to a fortune of $200 million.

The head of Cologne's police force is leaving his post "to restore public trust in the police" following scores of attacks on women in the city on New Year's Eve, German media report.