Nino Gonzalez, a Bayonne, N.J., fighter credited with 17 knockouts in a 24-1 professional record, will risk a dent in those gaudy figures with an Aug. 9 bout against a boxer who stands 72-2 with 55 kayoes.

Si . Roberto Duran.

Promoter Don King announces the impending return of Duran, the former champion who quit in the middle of Fight II with Sugar Ray Leonard, never to return until a brief exhibition last month in Madision Square Garden. Location pending; Duran and Gonzalez to scale 154 pounds . . .

NBC-TV is celebrating the overnight ratings on the live Wimbledon final, citing (at least in New York) an 89 percent increase over viewership of Borg-McEnroe one year prior; the best Wimbledon rating ever; the second-best sports audience of the 1981 holiday weekend. It trailed Sunday's NBC Sports World -- which featured the Leonard-Kalule tape . . . For the first time since the season opener at Fort Lauderdale, comes a Diplomat game without a Washington radiocast: Wednesday's at Portland.Also Saturday's at California, but that one will be catchable, on one-hour delay, at 11:30 p.m., WTTG-TV-5 . . .

The 11th Maccabiah Games, the "Jewish Olympics," are under way in Tel Aviv for a 10-day run. Among a Games-record 3,600 Jewish athletes in 34 national delegations are 390 Americans, including some of your Washington-area neighbors. Shlomo Glickstein, Israeli tennis champion, carried the Maccabiah torch into Ramat Gan Stadium at opening ceremonies yesterday before 50,000 spectators including Rep. Jack Kemp (R-N.Y.) . . .

Harold McLinton, says Brig Owens, so long his Redskin teammate, is about to have posthumous impact on the community that grieved his death last year. The George Preston Marshall Foundation, established in 1972 out of the estate of the late founder of Washington's pro football team to benefit youth, has donated $10,000 to begin a McLinton Scholarship Fund. The educational aid will go to worthy students in the area. Owens, of the NFL Players Association staff, and McLinton's widow, Agnes, will help administer the fund . . .

The Ladies Professional Golf Association confirms its move of headquarters to Houston -- offices to be constructed at the Sweetwater Country Club by start of the 1982 season. Ray Volpe, LPGA commissioner, says the move from New York will save $2 million over the next decade, money to support directly the new pension plan for the women's tour players. The complex will provide a permanent sit for LPGA qualifying school and house a hall of fame.

James Scott, the Chicago Bear receiver who defected to the Montreal Alouettes only to stand up the CFL club since scheduled May 24 reporting date, showed up an opening weekend. Says he has straightened out "personal problems that concerned my family and also my agent." The Alouettes suspended Scott June 7, aim to fine him $200 for every day he did not report . . .

Shed a tear for Phil Niekro and Ed Miller, striking players asked by the Atlanta Braves to turn in the 1981 Cadillac and 1980 BMW, respectively, provided by the club under terms of their contracts.Issue a sign of relief for another Brave, Chris Chambliss, who in a new contract in May had the title to his club-provided Mercedes-Benz transferred to his name.