| Date | Player | No-Hitters | |
| 04/10/1951 | Dan Perkins | 6 K, 2 BB and 9 IP versus Uxbridge while playing for Pickering | |
| 06/19/1951 | Dylan Morris | 5 K, 2 BB and 9 IP versus Oshawa while playing for Thornhill | |
| 07/30/1952 | José Ortíz | 3 K, 2 BB and 9 IP versus Port Credit while playing for St. Catherines | |
| 05/11/1954 | Kyle Everett | 5 K, 2 BB and 9 IP versus Brantford while playing for St. Catherines | |
| 05/19/1955 | Ethan Jordan | 6 K, 1 BB and 9 IP versus St. Catherines while playing for Welland | |
| 04/25/1956 | Manuel Morales | 2 K, 3 BB and 9 IP versus Hamilton while playing for St. Catherines | |
| 05/05/1956 | Gang-sheng Tso | 7 K, 1 BB and 9 IP versus Hamilton while playing for Kitchener | |
| 08/01/1956 | Martin Keene | 6 K, 2 BB and 9 IP versus Brantford while playing for St. Catherines | |
| 07/21/1957 | Ed Ryan | 6 K, 0 BB and 9 IP versus Brantford while playing for Kitchener | |
| 07/04/1958 | António Ramírez | 3 K, 4 BB and 9 IP versus Kitchener while playing for Brampton | |
| 05/25/1960 | Ernie Rivera | 3 K, 0 BB and 9 IP versus Oshawa while playing for Ajax | |
| 06/18/1961 | José Ortíz | 7 K, 5 BB and 9 IP versus Port Credit while playing for Welland | |
| 08/10/1961 | Eduardo López | 8 K, 3 BB and 9 IP versus Brantford while playing for St. Catherines | |
| 08/26/1961 | Eduardo López | 4 K, 2 BB and 9 IP versus Port Credit while playing for St. Catherines | |
| 06/30/1962 | António Pérez | 5 K, 4 BB and 9 IP versus Timmins while playing for Vaughan | |
| 05/11/1963 | Sergio González | 3 K, 2 BB and 9 IP versus Timmins while playing for Thornhill | |
| 04/25/1964 | Jorge Luyo | 7 K, 2 BB and 9 IP versus Port Credit while playing for Brampton | |
| 05/20/1964 | Henry Arnett | 8 K, 1 BB and 9 IP versus Thornhill while playing for Keswick | |
| 07/23/1964 | Tracy Powell | 5 K, 4 BB and 9 IP versus Hamilton while playing for Welland | |
| 04/30/1965 | José Casillas | 5 K, 3 BB and 9 IP versus Vaughan while playing for Oshawa | |
| 04/17/1970 | Pedro Hernández | 6 K, 2 BB and 9 IP versus Port Credit while playing for Brantford | |
| 05/13/1970 | Neal Ingram | 5 K, 5 BB and 9 IP versus Thornhill while playing for Oshawa | |
| 07/04/1972 | Rafael López | 2 K, 7 BB and 8 IP versus Millet while playing for Oshawa | |
| 04/23/1973 | Darrell Hood | 7 K, 6 BB and 9 IP versus Brampton while playing for Hamilton | |
| 06/27/1974 | Pat White | 6 K, 0 BB and 9 IP versus Guelph while playing for Brantford | |
| 04/19/1975 | José Colón | 7 K, 0 BB and 9 IP versus Hamilton while playing for Woodstock (PERFECT GAME) | |
| 08/22/1976 | Tom Ferguson | 1 K, 2 BB and 9 IP versus Kitchener while playing for Welland | |
| 07/06/1977 | Dan Green | 5 K, 2 BB and 9 IP versus Welland while playing for Brantford | |
| 08/16/1977 | Brent Kelley | 5 K, 3 BB and 9 IP versus Brantford while playing for Brampton | |
| 07/25/1978 | Dani Muńóz | 5 K, 2 BB and 9 IP versus Keswick while playing for Oshawa | |
| 05/05/1979 | Derek Steele | 3 K, 4 BB and 9 IP versus Keswick while playing for Peterborough | |
| 05/16/1980 | Pancho Arroyo | 2 K, 1 BB and 9 IP versus Timmins while playing for Keswick | |
| 06/20/1980 | Juan Reyna | 3 K, 2 BB and 9 IP versus Guelph while playing for Welland | |
