Cuadrado
The 35-year-old arrives in Milan after an eight-year spell at Juventus, which ended at the end of June when his contract expired.
Juventus winger Juan Cuadrado come off the bench after a three-month injury layoff to score the goal which set the Serie A leaders on the way to a 3-1 win over AC Milan on Saturday.
Allegri revealed that his Italian defender Giorgio Chellini and the Colombian midfielder Juan Guillermo Cuadrado have recovered from their respective injuries.
Kolasinac and Benrardo Silva are the announced signings of summer transfers.