Ryne Sandberg Stats & Facts - This Day In Baseball
Dennis Eckersley – Society for American Baseball Research
Baseball 101: Comebacks - Newsday
The 20 Most Obscure 'Firsts' in Baseball
Roger Clemens, Baseball Wiki
Dennis Eckersley
1989 A's Mother's #10 Dennis Eckersley - NM-MT
Dennis Eckersley Baseball Stats by Baseball Almanac
Dennis Eckersley Collection, 30-Year Old Cardboard
Dennis Eckersley Cards
Baseball 101: Comebacks - Newsday
dennis eckersley, 30-Year Old Cardboard
Dennis Eckersley - Wikipedia
Dennis Eckersley Baseball Stats by Baseball Almanac
1989 World Series - Wikipedia