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What positions did Javier Zanetti play
Javier Zannetti played Full back and Defensive Midfielder
Did Javier Zanetti change positions
After the arrival of Maicon at the beginning of the 2006–07 season, Javier Zanetti was moved from the right-back position into midfield.
Why did Javier Zanetti change posiitons
Javier Zanetti began his career as a right offensive winger, but was later moved back into mid-field, where he became a tactically intelligent and versatile player

Question: how did this move work out
Self-contained rewrite: how did Javier Zanetti's move back into mid-field work out