"My goal was to reach the podium, but I didn't expect to win the title," said Song.
Chelsea fought back after the break: Mason Mount gave Chelsea a lifeline in the 55th minute, Hudson-Odoi then scored with 20 minutes left to play and Tammy Abraham scored the equalizer in the 94th minute.
Messi was the center of attention at the start of the game after his attempt to leave the club over the summer and Friday's criticism of the decision to sell Luis Suarez to Atletico Madrid, but Fati was the hero of the game, scoring in the 15th and 19th minute and then winning a penalty to allow Messi to add a third in a thrilling first half performance.
She should have won the first set when she was up 5-1 and had a set point, which TV replay showed she had converted it with a dropshot as Siegemund failed to return it before it had bounced twice. But the umpire Eva Asderaki did not rule the point in Mladenovic's favor.
"This is the first major tournament in the last 11 months because of the epidemic. I know I can swim faster this time and want to see how fast I could be," said the bronze medalist of the world championships.
Bayern responded well but still lacked in penetration to overcome Hoffenheim's defense. To make things worse, Hoffenheim doubled their advantage eight minutes later as Munas Dabbur capitalized on a misplaced clearance from Benjamin Pavard to beat goalkeeper Manuel Neuer into the far post corner.
"Never give up. It's a good day. It's nice to get another win as it's been a while and I now need to keep the momentum going," added the Finn, who has generally struggled to match Hamilton's pace this year.
The announcement came less than a day after Botafogo's 2-1 home defeat to Bahia, a result that left them 19th in the 20-team league standings with just one win from 12 matches.
31-year-old Sunjic, who stands 1.94m tall, has played for many clubs across Europe, including VfB Stuttgart, S.S.D. Palermo and FC Dynamo Moscow. He also represented his country in the 2014 FIFA World Cup in Brazil.
"Those are decisions for the club and the player, but as you have seen I am going to count on him. He hasn't played at the start because there are others and Ansu (Fati) has shown he is very good for the team," explained the Barca boss. Enditem
The ruling was handed down just 10 minutes before the scheduled kickoff at Palmeiras' Allianz Parque in Sao Paolo. The game eventually started more than 20 minutes late, with Flamengo fielding only four regular first-team players.