AMES — Iowa State men’s wrestling showed a promising future, as it opened the season with a 29-12 dual win over Bucknell. Head coach Brent Metcalf credited the fans for showing up to support the Cyclones in their season opener. “I don’t know what the exact number [was],” Metcalf said. “I heard over 4,000. On a Sunday, 6 p.m. … They showed out, and the energy was great.” Cyclones start strong with dominant performances Starting the dual off st…