The five-time Ballon d'Or winner joined Juventus after Li was persuaded Milan could not afford him.
According to the agreement, the six tours would include up to 14 Tests, 30 one-days and 12 Twenty20 internationals.
Al Hammadi and Daniel focused on primary school students as they visited eight schools that included visits to Ahmad Mansour School in Westbay and Lycée Voltaire in Al Waab, one day before launching their challenge.
Samba, the world lead and unbeaten in nine finals at 400m hurdles, also set the world’s quickest time since 1992.
Ducati's Dovizioso was well ahead of second placed Suzuki rider Alex Rins with another Spaniard Pol Espargaro third in a race halted for around 30 minutes due to the rain.
France are looking to retain the trophy when they take on Croatia at the Stade Pierre Mauroy in Lille.