CHICAGO -- Bob Rosenberg knows the score.

Rosenberg has been the official scorekeeper or statistician at more than 4,000 professional and college games, and his large collection of sports memorabilia includes the complete set of programs for every game played in the 10-year history of the American Football League.

Rosenberg, 46, even met his wife, Linda, at a Bulls-Pistons basketball game in 1972. They were married the next year.

Living the sports fan's dream, Rosenberg works for the Chicago White Sox, Bears, Bulls and Black Hawks.

"I'd rather be playing for them; maybe I could help them," he joked in a telephone interview from his suburban Skokie home.

Rosenberg said he has worked every Bulls home game -- 875 of them -- since the team entered the National Basketball Association in 1966.

At one time or another, he also has compiled statistics for Northwestern University, the Chicago Sting soccer team, the Bruisers of the new Arena Football League and for many teams and operations whose names aren't heard anymore: the Women's Basketball League, the Packers and Zephyrs of the NBA, the Fire and Wind of the World Football League and the Cougars of the World Hockey Assocation.

On a summer evening when the White Sox are home, Rosenberg can usually be found in the Comiskey Park press box keeping score for the American League, the Associated Press and Elias Sports Service. He also works a few National League games at Wrigley Field.

"I think my biggest thrill as a sports fan was the Bears' winning the 1963 {NFL} championship in Wrigley Field, beating the Giants, 14-10," said Rosenberg, who rattles off scores and years like old friends.

"My biggest disappointments would have to include the White Sox losing the World Series in 1959 against the Dodgers, when they should have won," he said.

His sports collections focuses on programs, pennants, bats, sticks, pucks and balls from extinct teams like the Chicago Hornets and Rockets of the old All-American Football Conference.