The deal could be worth AED251 million.
Sane, 24, says Bayern Munich is a "great club " after he signed a five-year contract at the Bundesliga side.
The Germany winger is leaving Manchester City who he joined from Schalke in 2016 for AED169 million.
The football star has won two Premier League titles, the FA Cup and two League Cups.
He says his priority is to win as many trophies as possible with Bayern, and he's targeting the Champions League.
Sabalenka powers past Noskova to reach Indian Wells final
World number one Aryna Sabalenka kept her quest for a maiden Indian Wells title alive on Friday, defeating 14th seed Linda Noskova 6-3 6-4 to reach her third final in the California desert.
UAE Team Emirates–XRG reclaims lead at Tirreno–Adriatico in Italy
Mexican rider Isaac del Toro of UAE Team Emirates–XRG regained the overall lead of the Tirreno–Adriatico race in Italy after a strong attacking performance in Stage 5, finishing second in the stage to return to the top of the general classification with only two stages remaining.
F1's Bahrain and Saudi races set to be cancelled amid ongoing regional tensions
Formula One's Grand Prix races in Bahrain and Saudi Arabia are set to be cancelled over the weekend due to the ongoing regional tensions.
Georgia caught in doping scandal as players allegedly swapped urine samples
Six Georgia rugby players and a team official have committed anti-doping rule violations, the World Anti-Doping Agency and World Rugby said on Friday after an investigation uncovered a scheme involving alleged sample substitution and advance warnings of drug tests.
F1 leader Russell puts Mercedes on pole for China sprint race
Formula One championship leader George Russell put Mercedes on pole position for the first sprint race of the season in China on Friday in a provisional front row lockout with teammate Kimi Antonelli.
