July 16 1980 Named Dick Motta as head coach. Motta would have a record of 267-307 (.465) in the regular season and 10-14 (.417) in the playoffs with Dallas from 1980-81 - 1986-87. He would resign 5/20/87. [He would again be hired as coach 5/17/94 and coach 2 seasons.] 1980 Named Bob Weiss as assistant coach. [Dallas would only have 1 assistant.]