On Friday, AIK lost at home in Gubbängshallen by 12-13, record numbers in the elite series, and rested a couple of heavy pieces when Tellus, who shares the same hall, faced the opposition.
The three-time world champion Muhrén, who also has five Swedish Championship golds, retired in 2014 by taking Swedish Championship gold with Sandvikens AIK.
Then he became coach with Villa 2016 and took the opportunity to make a temporary comeback.
When Alan Dzhosoev, Johan Esplund and Daniel Andersson were missing from AIK, the head coach took Muhrén, as did the assistant coach Oskar Robertsson, and laced up his skates.
He made it 3-0, 4-0 and 10-1.
Muhrén did not give any interviews afterwards and did not answer when SVT Sport was looking for him.
- He apparently still has the sense of purpose. Two of the goals come where he, like a goal thief, stands in the penalty area and hits the ball, says Bandypuls Andreas Hanson about Muhren's effort.