Is there ? http://www.utecreekcattlecompany.com/bout avapro discount card  Tim MacMahon joined ESPNDallas.com in September 2009. A co-host of ESPN Dallas GameDay on 103.3 FM, Tim also covers the Mavericks and Rangers. He covered the local sports scene from high schools to pros during his six-year tenure at The Dallas Morning News. He is a UNT graduate.