Back signed a one-year, two-way contract with Dallas on Tuesday.
Back was recalled from AHL Texas on Saturday.
Back was reassigned to AHL Texas on Tuesday, Bruce LeVine of Dallas Stars Radio reports.
Back signed a three-year, entry-level contract with the Stars on Wednesday, Matthew DeFranks of The Dallas Morning News reports.
Back was drafted 75th overall by the Stars at the 2018 NHL Entry Draft on Saturday.