The eight-time German champion announced on Monday that the 63-year-old was flown into his country of birth.
The DEG starts on Tuesday at the Nuremberg Ice Tigers in the first play-off round.
The team will then look after co-trainer Thomas Dolak and club icon Daniel Kreutzer.
This team was last already on the gang when circle had failed because of a corona infection.
Whether circle will be on the DEG band again is unclear.
According to club information, the former German national defendant “expected” will return on Friday.
Then a potentially third and decisive game in Nuremberg.
Circle will leave the DEG after this season towards Schwenninger Wild Wings.
Del play-offs at a glance