Is Elmer Soderblom here to stay? | Does Jeff Petry still have a place on Detroit's blue line?

Elmer Soderblom has evolved from healthy scratch in the AHL to everyday player in the NHL in less then a year. Is he here to stay or is this a flash in the pan? Jeff Petry is out for 6-8 weeks after having surgery, does Detroit miss him on theit blueline? J.T. Compher will likely return after the break, but when he does where will he slot in? #LGRW