Petrucci joined the Addicks last week.
"I think it is a good challenge for me,” he told Charlton’s official website.
“I am more technical than physical. I like to play with the ball. I am happy to be here because when I spoke with [José Riga] he told me that he likes to keep the ball all the time. To try to win games by mastering the ball and have a good style of play.
“I know it is a very physical league, but sometimes if you can keep the ball and play it then physicality is not so important.
“If you keep the ball and pass it and move then you become harder to play against, in my opinion.”
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