Having moved to Bayern Munich from Real Madrid, on a two-year loan deal, where was a bit-part player under Zinedine Zidane, Rodriguez rejoins former boss Carlo Ancelotti.
The striker, who was signed by the Italian when he was at Real, was named in a strong Bayern side in their pre-season tournament, the Telekom Cup on Saturday.
Rodriguez shined as the Bundesliga side beat Werder Bremen to lift the trophy.
Speaking after the game, the delighted 26-year-old former Porto and Monaco star said: “I am happy with that. I hope to get fit in the following days.