"Hi, mom . . . Where's dad?" Tony Conigliaro, the former baseball slugger in a coma more than four months, spoke Sunday night in a Salem, Mass., rehabilitation hospital, his brother Richie related last night, and his cardiologist says if it is so, "it's nothing short of a miracle."

Tony C, 37, had a coronary Jan. 9. His heart stopped "perhaps three to five minutes" before he got to the hospital in Boston. There seemed little cause for optimism for weeks, but brother Billy, another former big-leaguer, remained "optimistic all along," and hopeful little signs developed lately. Then, Richie's report that Tony finally said, "Where am I?," then recognized family members and even said over the phone to his ailing father, "Hi, dad" . . .

Dave Goltz, $1.7 million coming from the Dodgers when they gave up on him in April, will pitch for the Angels for the major league minimum, $33,500 a year. And draw the difference from L.A. Digging for another surprise boost to their surprising pitching, California yesterday reunited Goltz with Manager Gene Mauch, for whose 1977 Twins he won 20. Goltz was 96-79, nary a losing season for Minnesota before reentry into a 9-19 career National Leaguer . . .

Prince Alexandre de Merode, IOC Medical Committee president, in Rome, where 85th International Olympic Committee session opens Wednesday, says worry over Los Angeles' atmosphere affecting strenuous 1984 events is misguided. "Smog," he said, "is a paper tiger" . . .

Another boatload of free agents (eight) signed by Redskins includes Jeff Hayes, 1981 punter at North Carolina. Hayes was UNC placekicker in '80 when Steve Streater was the punter--the one signed by the Redskins only to be crippled in a car wreck . . . NFL Eagles take a flyer (two-year contract, signing bonus) on a possible receiving tower to twin with 6-foot-8 Harold Carmichael: 6-8 Louisville basketball star Wiley Brown--yes, the one minus right thumb. "Footballwise, I can handle the ball," pledged Brown, all-Georgia on high school hardwood and gridiron, intent now on beefing up to tight-endish 240 . . .

Busy Tuesday. Washington Marriott, 7-ish, Joe Paterno and V.P. George Bush down to address area Nittany Lion Club . . . Twin Bridges Marriott, 7, Joe Gibbs, Jack Kemp, Jeff Kemp at Fellowship of Christian Athletes' first area banquet . . . Gastonia, N.C.: all-day celebration--parades, fireworks--for favorite sons James Worthy and Eric Floyd . . .

Oops, it's this Friday that Navy hardballs with Delaware, Seton Hall and Maine in NCAA Northeast Regional at Orono, Maine . . . Change in phone for Kenner summer basketball: 575-2184, after 5 p.m. . . . Metro Women's summer hoops for high schoolers beginning June 11 at UDC, check Firebird Coach Windy McGriff or GWU's Denise Fiore . . .

Tennis: Karin Moore, 1976 PG County girls champion at Largo, is now Karin Moore Cooke of Wright State and AIAW Midwest regional champ, winning in St. Louis after taking Ohio title. Next, nationals in Madison, Wis. . . . Georgetown advances Suzanne Kuhlman (seeded No. 1), Valentina Garcia, Brigid McCarthy to AIAW Division II nationals in Greeley, Colo.