| Year | Team Name | League | Division | Affilate | W | L | Pct | Rank | Managers | Stadium | Playoffs | |
| 2002 | GCL Royals | GCL | Northern | KC | 22 | 38 | .367 | 4 | Lloyd Simmons | dnq | ||
| 2001 | GCL Royals | GCL | Northern | KC | 20 | 40 | .333 | 4 | Lino Diaz | dnq | ||
| 2000 | GCL Royals | GCL | Eastern | KC | 20 | 40 | .333 | 4 | Andre David Ron Karkovice | dnq | ||
| 1999 | GCL Royals | GCL | Northern | KC | 33 | 27 | .550 | 1 | Andre David | Lost in Semi-Finals | ||
| 1998 | GCL Royals | GCL | Western | KC | 32 | 28 | .533 | 3 | Andre David | dnq | ||
| 1997 | GCL Royals | GCL | Northwest | KC | 36 | 24 | .600 | 1 | Al Pedrique | Lost in Semi-Finals | ||
| 1996 | GCL Royals | GCL | Southwest | KC | 30 | 29 | .508 | 2 | Al Pedrique | dnq | ||
| 1995 | GCL Royals | GCL | Southwest | KC | 37 | 20 | .649 | 1 | Bob Herold | League Champions | ||
| 1994 | GCL Royals | GCL | Western | KC | 47 | 12 | .797 | 1 | Bob Herold | Lost in Finals | ||
| 1993 | GCL Royals | GCL | Western | KC | 29 | 30 | .492 | 5 | Bob Herold | dnq | ||
| 1992 | GCL Royals | GCL | Central | KC | 41 | 18 | .695 | 1 | Mike Jirschele | League Champions | ||
| 1991 | GCL Royals | GCL | Northern | KC | 31 | 29 | .517 | 2 | Bob Herold | dnq | ||
| 1990 | GCL Royals | GCL | North | KC | 25 | 38 | .397 | 5 | Carlos Tosca | dnq | ||
| 1989 | GCL Royals | GCL | Northern | KC | 35 | 28 | .556 | 3 | Carlos Tosca | dnq | ||
| 1988 | GCL Royals | GCL | Northern | KC | 39 | 24 | .619 | 1 | Carlos Tosca | Lost in Finals | ||
| 1987 | GCL Royals | GCL | Southern | KC | 40 | 23 | .635 | 1 | Luis Silverio | Lost in Finals | ||
| 1986 | GCL Royals | GCL | Southern | KC | 30 | 33 | .476 | 5 | Luis Silverio | dnq | ||
| 1985 | GCL Royals | GCL | Southern | KC | 38 | 24 | .613 | 4 | Joe Jones | dnq | ||
| 1983 | GCL Royals | GCL | Southern | KC | 30 | 31 | .492 | 3 | Joe Jones | dnq | ||
| 1982 | GCL Royals | GCL | - | KC | 28 | 35 | .444 | 8 | Joe Jones | dnq | ||
| 1981 | GCL Royals | GCL | - | KC | 44 | 20 | .688 | 1 | Roy Tanner | League Champions | ||
| 1981 | GCL Royals | GCL | - | KC | 35 | 28 | .556 | 3 | Joe Jones | dnq | ||
| 1980 | GCL Royals | GCL | - | KC | 22 | 40 | .355 | 10 | Roy Tanner | dnq | ||
| 1980 | GCL Royals | GCL | - | KC | 40 | 23 | .635 | 1 | Joe Jones | League Champions | ||
| 1979 | GCL Royals | GCL | - | KC | 29 | 23 | .558 | 3 | Jose Martinez | dnq | ||
| 1979 | GCL Royals | GCL | - | KC | 24 | 29 | .453 | 5 | Brian Murphy | dnq | ||
| 1978 | GCL Royals | GCL | - | KC | 31 | 24 | .564 | 2 | Jose Martinez | dnq | ||
| 1977 | GCL Royals | - | GCL | - | KC | 34 | 19 | .642 | 2 | dnq | ||