WMAL Radio's ubiquitous Johnny Holliday has expanded to anchor two daily sportscasts on the ABC Information Network. . . . Reader Jerry C. Connors says it's nice if we want to call American U. a cradle of basketball coaches, but look at all those NBA ones from St. Joseph's: Ramsay, McKinney, Westhead, Lynam . . . Okay, and former AU (and GW) assistant Tom Schneider has gone from associate coach at Penn to head coach of Lehigh . . . Ens. Pam Corwin, USNA '83, recently won the women's intercollegiate national sailing championships, now trains for the U.S. Yacht Racing Union women's double-handed championships starting Monday in Fort Worth. Her father, Mike Corwin, a capital-area S&L executive, taught her the nautical ropes . . . Chuck Michaels of Arlington has been selected to the U.S. fencing team for the World University Games in Edmonton and World Championships in Austria next month. He and Rob Stull of Potomac helped the National Pentathlon Team win the fencing nationals in San Francisco last week. A big win by Michaels turned the pentathletes from a 2-5 deficit to an 8-7 win over San Jose and a fifth successive national title . . . Mark Terrill, Virginia state 138-pound wrestling champion at Fairfax's Robinson High in 1981, went on to JuCo all-America honors at 142 at Phoenix J.C., now has a scholarship to North Carolina--and, at 149.5, a spot on an Athletes in Action USA team about to tour Mexico, Venezuela and Puerto Rico . . . Chuck Driesell of Maryland basketball made the 10-man Athletes in Action team assembling this weekend at Colorado State for a South American tour.