World Boxing Council -- Lightweight Jose Luis Ramirez will defend title Aug. 10 in Las Vegas against Hector (Macho) Camacho, who had backed out of June 6 fight because of injured leg. World Boxing Association -- Said Barry McGuigan must defend featherweight title within 90 days against Bernard Taylor. COLLEGES

American -- Michael Brady, AU's all-time soccer scorer and two-time all-America, will play for U.S. against England in exhibition Sunday in Los Angeles (televised live on ESPN, 8 p.m.). Paul Grzyb repeated as all-ECAC South in baseball; the second baseman out of Thomas Stone High School (Waldorf) hit a conference-leading .470 and set AU records of 55 hits and 13 doubles in a season. BASEBALL

Cincinnati Reds -- Sold minor league C Brad Gulden to the Houston Astros' Class AAA team in Tucson. Detroit Tigers -- Put P Milt Wilcox on the 21-day disabled list, retroactive to June 7. He has tendinitis in right shoulder. New York Yankees -- Activated OF Ken Griffey from 15-day DL (sprained left wrist); optioned OF Vic Mata to AAA Columbus of International League. California Angels -- Put IF Darrell Miller (bad knee) on 15-day DL; activated P Luis Sanchez from injury rehabilitation. Oakland A's -- Recalled P Rick Langford from Class A Modesto, Calif.; optioned P Jeff Kaiser to Tacoma; assigned Mike Norris to Modesto on rehabilitation. Seattle Mariners -- Placed P Jim Beattie on 21-day DL; called up LHP Bill Wilkinson from AAA Calgary. Toronto Blue Jays -- Signed C Greg David, their first-round June free agent pick. Players voted unanimously to authorize a strike if the Major League Players Association recommends it. Atlanta Braves -- Became 19th team to authorize a strike -- vote was 27-0 -- if the union thinks it necessary. FOOTBALL

USFL -- Commissioner Harry Usher denied Memphis Showboats' appeal to overturn a call by an instant replay review official in 17-14 May 25 loss to Portland Breakers. A Memphis touchdown was disallowed when replay showed Showboats runner stepped out of bounds returning punt.