After helping Bremen complete relegation, Peruvian veteran Claudio Pizarro officially announced his retirement. As Pizarro's bayside teammate, Müller sent him blessings on social media.

Mueller wrote: "I hope you are all right in the next chapter of your life. Your career has been fantastic and it has been an honor to have worked alongside you. In addition, Mueller labeled Pizarro a "friend" and a "legend."
Pizarro, 41, has played 490 games in the Bundesliga, scoring 197 goals and winning six Bundesliga titles.