| | | Tuesday, October 17th , 1899 | | 2B Frank Daniels retired from professional baseball. | | Signed General Manager Ramón Salinas to a 4-year contract extension. | | Signed Bench Coach Bill Thomas to a 3-year contract extension. | | Monday, May 15th , 1899 | | RP Harry Garland did not elect for free agency and will remain in the New York organization. | | RP Henry Levy did not elect for free agency and will remain in the New York organization. | | |
