Juventus The bottom side secured a 2-1 win Manja Goals from the first half Weston McKenney And Nicholas Gonzalez To complete four runs on Sunday Serie A to draw
The result leaves Juve in sixth place with 31 points, nine behind the leaders atlantawho beat Empoli 3-2, Monza sit on 10 points but five points clear of the safety zone.
The win for the Turin side extended their unbeaten league run to 25 matches, the longest streak in the big five European leagues, but 10 draws left them in the title race.
Juve struck first after a dangerous scramble that saw Manja barely clear the line after 14 minutes before failing to mark the ensuing corner as McKenney volleyed home.
Samuel Birindeli Monza equalized eight minutes later after completing a perfect cross to volley the ball into the bottom corner for his first Serie A goal.
The strike comes with an ironic twist as Samuel is the son of Alessandro Birindelli, a former Juventus player who made 305 appearances for the club, winning three league titles.
The visitors regained the lead six minutes before the break when a cross inside the box led to a clearance from Monza and Gonzalez reacted quickly to fire home.
Juve manager Thiago Motta struggled with the midfielder at half-time Tune Copemainers had to be replaced with Khefren Thuram After struggling with thigh problems.
The second half was less intense but the tour progressed Kenan Yildiz managed a late header that was blocked at point-blank range by the Monza goalkeeper Stefano Turati.