The Dallas Stars have sent goaltender Cristopher Nilstorp back to the Texas Stars of the AHL, a sign that starter Kari Lehtonen is ready to return from a concussion. Lehtonen was injured in a 4-3 win over Minnesota on March 8 when Erik Haula ran him over and knocked off his helmet. He went through his first full practice Friday. Read more http://espn.go.com/dallas/nhl/story/_/id/10621924/dallas-stars-kari-lehtonen-concussion-verge-return
