| Slick Castleman | |
| Position: | Pitcher |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | 8 September 1913 |
| Birth Place: | Donelson, Tennessee |
| Death Place: | Nashville, Tennessee |
| Debutleague: | MLB |
| Debutdate: | May 9 |
| Debutyear: | 1934 |
| Debutteam: | New York Giants |
| Finalleague: | MLB |
| Finaldate: | July 4 |
| Finalyear: | 1939 |
| Finalteam: | New York Giants |
| Statleague: | MLB |
| Stat1label: | Win–loss record |
| Stat1value: | 36–26 |
| Stat2label: | Earned run average |
| Stat2value: | 4.25 |
| Stat3label: | Strikeouts |
| Stat3value: | 225 |
| Teams: |
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Clydell Castleman (September 8, 1913 – March 2, 1998) was a pitcher in Major League Baseball who played from 1934 through 1939 for the New York Giants, including the National League Champion team that lost to the New York Yankees in six games in the 1936 World Series.[1]