He has played two Serie A games so far, a 3-2 win at Chievo and a 2-0 home victory over Lazio.
Ivorian forward Gervinho scored in between for Parma, his first goal since joining them in the close season.
Juventus got the flawless start when Mandzukic's header from a Juan Cuadrado cross hit Simone Iacoponi and rebounded kindly to the Croatian forward who turned the ball into the empty net.
According to Gazzetta dello Sport, Portugal's all-time top goalscorer and skipper wants to make his new team the priority and will remain in Turin to be in top physical shape and to get to know his new teammates better.
'He's not getting the rub of the green at the moment either - the ball is not bouncing right for him or he's shooting just off target.
The former Real Madrid striker beat competition from 11 nominees for the award in honor of his goal in last season's Champions League quarter-final first leg in Turin.
Plantini, who scored 209 goals in 358 games for the Old Lady in career, believes Ronaldo made an odd move and does not see who it benefits his career.
The win gives Juventus a ideal nine points from their first three games on the young season, while Parma remain on just one point.
Indeed, Mario Mandzukic proved the hero for Juve against Parma on Saturday, scoring and claiming an assist in a 2-1 win for the Bianconeri.
While dominant in Italy, the club have lacked that X factor to go all the way in Europe in recent times.
And Ronaldo will face a trip to former club United in this season's group stages.