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| Given Name: | Roy Justin |
| Birth Date: | 1953-6-22 |
| Birth City: | Quantico |
| Birth Country: | |
| Height: | 77 cm |
| Weight: | 215 kg |
| Bats: | Right |
| Throws: | Right |
| Age: | 73 |
| Teams and Years | Batting Average | Hits | At Bats | Home Runs | Runs Batted In | Wins | Losses | Games Pitched In | Strikeouts | Shutouts | Position | Errors | Double Plays | Assists |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1977 Houston Astros | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 4 | 0 | P | 0 | 0 | 1 | |
| 1978 St. Louis Cardinals | 0.250 | 1 | 4 | 0 | 1 | 1 | 1 | 16 | 16 | 0 | P | 0 | 0 | 7 |
| 1979 St. Louis Cardinals | 0.059 | 1 | 17 | 0 | 0 | 3 | 4 | 26 | 44 | 0 | P | 0 | 1 | 13 |
| 1980 St. Louis Cardinals | 0.154 | 2 | 13 | 0 | 0 | 2 | 3 | 24 | 22 | 0 | P | 0 | 1 | 10 |
| 1983 Seattle Mariners | 0 | 0 | 0 | 0 | 3 | 1 | 43 | 77 | 0 | P | 0 | 0 | 8 | |
| 1984 Seattle Mariners | 0 | 0 | 0 | 0 | 3 | 2 | 21 | 42 | 0 | P | 0 | 1 | 7 | |
| 1985 Seattle Mariners | 0 | 0 | 0 | 0 | 7 | 0 | 40 | 70 | 0 | P | 0 | 1 | 7 | |
| 1987 Seattle Mariners | 0 | 0 | 0 | 0 | 1 | 0 | 8 | 14 | 0 | P | 0 | 0 | 1 |