Back when KJR had a monopoly in the local sports-radio market, they dealt the very notion of on-air duos a tremendous blow when they scaled back the hours and salary of Dave Grosby, half of his long-running "Groz & Gas" show with Mike "Gas Man" Gastineau. But duos have bounced back. In April 2009, KIRO radio announced the debut of the "Brock & Salk Show," featuring veteran East Coast broadcaster Mike Salk and former Husky/Seahawk quarterback Brock Huard. So OK, they're kind of the only sports-radio duo in town. But they play off each other beautifully, with Huard's sunny folksiness the perfect foil for Salk's informed pessimism. (They'll have competition for the title beginning Aug. 9, when 710's Kevin Calabro and Jim Moore take over afternoon drive-time.) ?Mike Seely 11 a.m.–3 p.m. daily on KIRO AM (moving to 9–11 a.m. starting Aug. 9).