UNIVERSITY PARK -- Overshadowed by rival TCU's winning streak, SMU overwhelmed the Frogs on Wednesday night at Moody Coliseum.The Mustangs turned in their best performance with an authoritative 74-59 victory before a sellout crowd of 6,967.For SMU (7-3), handing TCU (8-1) its first loss was the kind of victory needed to hasten the new lineup's development.The Mustangs' confidence was waning without a big nonconference win.