| Sunday, May 17th, 2020 |
| Tulsa HS Commanders: Released 3B A. Soto. |
| Tulsa HS Commanders: Released RF P. Myers. |
| Tampa HS Loggers: Released MR D. Chipman. |
| Newark HS Bluffers: Released MR I. Kim. |
| Newark HS Bluffers: Released LF B. Nuijs. |
| Northwood HS Jackals: Released CF K. Carey. |
| Northwood HS Jackals: Released 2B P. Christopher. |
| Paradise HS Sentinels: Released 1B R. Young. |
| Paradise HS Sentinels: Released RF A. Morán. |
| Paradise HS Dodos: Released MR B. Taylor. |
| Glendale HS Goths: Released C J. Alarcon. |
| Glendale HS Goths: Released LF R. Contreras. |
| Kansas City HS Squirrels: Released 3B B. Cash. |
| Kansas City HS Squirrels: Released RF A. Rocha. |
| Toledo HS Sea Dogs: Released MR C. Harris. |
| Toledo HS Sea Dogs: Released C S. Broadbent. |
| Toledo HS Sea Dogs: Released SS T. Gross. |
| Tulsa HS Commanders: Placed LF K. McNeal on the active roster. |
| Tulsa HS Commanders: Placed 1B J. Jordan on the active roster. |
| Tampa HS Loggers: Placed C C. González on the active roster. |
| Newark HS Bluffers: Placed C J. Giles on the active roster. |
| Newark HS Bluffers: Placed 2B P. Gonzáles on the active roster. |
| Northwood HS Jackals: Placed 1B B. Harris on the active roster. |
| Northwood HS Jackals: Placed C A. Medellín on the active roster. |
| Paradise HS Dodos: Placed LF A. Gómez on the active roster. |
| Glendale HS Goths: Placed 1B A. Méndez on the active roster. |
| Glendale HS Goths: Placed 1B M. Ortíz on the active roster. |
| Kansas City HS Squirrels: Placed C J. Evans on the active roster. |
| Toledo HS Sea Dogs: Placed MR T. Álvarez on the active roster. |
| Riverside HS Sandpipers: General Manager Á. Quintero leaves the team, his contract was not renewed. |
| Riverside HS Sandpipers: Pitching Coach B. Booth leaves the team, his contract was not renewed. |
| Riverside HS Sandpipers: Hitting Coach G. Fowler leaves the team, his contract was not renewed. |
| Riverside HS Sandpipers: Signed Scouting Director C. Phillips to a 3-year contract extension. |
| Riverside HS Sandpipers: Team Trainer F. Valentín leaves the team, his contract was not renewed. |
| Tulsa HS Commanders: Pitching Coach R. Mateo leaves the team, his contract was not renewed. |
| Staten Island HS Explorers: Signed Hitting Coach J. Martin to a 1-year contract extension. |
| Staten Island HS Explorers: Signed Scouting Director E. Rivera to a 2-year contract extension. |
| Tampa HS Loggers: Signed Scouting Director J. Pérez to a 2-year contract extension. |
| Newark HS Bluffers: Signed Pitching Coach J. Gonzáles to a 2-year contract extension. |
| Newark HS Bluffers: Signed Hitting Coach M. Salazar to a 3-year contract extension. |
| Newark HS Bluffers: Signed Scouting Director D. Powell to a 1-year contract extension. |
| Newark HS Bluffers: Team Trainer G. Durango leaves the team, his contract was not renewed. |
| Port Isabel HS Ants: Signed Pitching Coach A. White to a 3-year contract extension. |
| Port Isabel HS Ants: Signed Hitting Coach E. Reyna to a 3-year contract extension. |
| Port Isabel HS Ants: Signed Scouting Director L. Guzmán to a 1-year contract extension. |
| Port Isabel HS Ants: Signed Team Trainer R. Lewis to a 2-year contract extension. |
| Northwood HS Jackals: Fired general manager J. Velasco. |
| Northwood HS Jackals: Fired manager S. Penn. |
| Northwood HS Jackals: Pitching Coach B. Rollins leaves the team, his contract was not renewed. |
| Northwood HS Jackals: Scouting Director A. Macías leaves the team, his contract was not renewed. |
| Northwood HS Jackals: Signed Team Trainer B. Welch to a 1-year contract extension. |
| Paradise HS Sentinels: Signed Pitching Coach D. Kinney to a 2-year contract extension. |
| Paradise HS Sentinels: Team Trainer P. Wright leaves the team, his contract was not renewed. |
| Paradise HS Dodos: Signed Pitching Coach A. Ferguson to a 2-year contract extension. |
| Paradise HS Dodos: Signed Scouting Director A. Encarnación to a 3-year contract extension. |
| Paradise HS Dodos: Signed Team Trainer D. Juárez to a 2-year contract extension. |
| Glendale HS Goths: Signed Pitching Coach L. González to a 3-year contract extension. |
| Glendale HS Goths: Signed Scouting Director G. Cox to a 2-year contract extension. |
| Glendale HS Goths: Team Trainer A. Jozume leaves the team, his contract was not renewed. |
| Kansas City HS Squirrels: Fired manager L. Castillo. |
| Kansas City HS Squirrels: Signed Bench Coach J. Clemons to a 3-year contract extension. |
| Kansas City HS Squirrels: Appointed Bench Coach J. Clemons to be the new manager of the team. |
| Kansas City HS Squirrels: Hitting Coach F. O'Herlihy leaves the team, his contract was not renewed. |
| Kansas City HS Squirrels: Signed Team Trainer J. Pelayo to a 2-year contract extension. |
| Toledo HS Sea Dogs: Bench Coach S. Rice leaves the team, his contract was not renewed. |
| Toledo HS Sea Dogs: Scouting Director B. León leaves the team, his contract was not renewed. |
| Riverside HS Sandpipers: MR D. Stevens joins the team. |
| Tulsa HS Commanders: SS P. Díaz joins the team. |
| Staten Island HS Explorers: CF L. Francis joins the team. |
| Tampa HS Loggers: CL R. Domínguez joins the team. |
| Newark HS Bluffers: 3B R. Martínez joins the team. |
| Port Isabel HS Ants: C J. Hanson joins the team. |
| Northwood HS Jackals: 1B R. Marrero joins the team. |
| Paradise HS Sentinels: 3B J. Jiménez joins the team. |
| Paradise HS Dodos: SP E. Guerrero joins the team. |
| Glendale HS Goths: 3B P. Gui joins the team. |
| Kansas City HS Squirrels: CF A. Zumaya joins the team. |
| Toledo HS Sea Dogs: SS J. Hill joins the team. |
| Riverside HS Sandpipers: SP T. Carter joins the team. |
| Tulsa HS Commanders: CL M. García joins the team. |
| Staten Island HS Explorers: MR B. McGee joins the team. |
| Tampa HS Loggers: SP P. Ramírez joins the team. |
| Newark HS Bluffers: SP J. Santiago joins the team. |
| Port Isabel HS Ants: SS G. Kitts joins the team. |
| Northwood HS Jackals: SP E. Coates joins the team. |
| Paradise HS Sentinels: MR J. Trevino joins the team. |
| Paradise HS Dodos: MR C. Boucher joins the team. |
| Glendale HS Goths: 3B F. Pérez joins the team. |
| Kansas City HS Squirrels: SS J. Hernández joins the team. |
| Toledo HS Sea Dogs: CL D. Powell joins the team. |
| Riverside HS Sandpipers: SS A. Whitaker joins the team. |
| Tulsa HS Commanders: 3B J. Pearson joins the team. |
| Staten Island HS Explorers: SS R. Powell joins the team. |
| Tampa HS Loggers: 2B J. Gervais joins the team. |
| Newark HS Bluffers: MR A. Miranda joins the team. |
| Port Isabel HS Ants: 1B J. Brooks joins the team. |
| Northwood HS Jackals: C J. Zapata joins the team. |
| Paradise HS Sentinels: 3B C. Walker joins the team. |
| Paradise HS Dodos: SP R. Hill joins the team. |
| Glendale HS Goths: SP S. Powers joins the team. |
| Kansas City HS Squirrels: 2B W. Jones joins the team. |
| Toledo HS Sea Dogs: SS R. Rodríguez joins the team. |
| Riverside HS Sandpipers: SP T. Jefferies joins the team. |
| Tulsa HS Commanders: MR H. Ford joins the team. |
| Staten Island HS Explorers: SP P. Farquharson joins the team. |
| Tampa HS Loggers: MR B. McIndoe joins the team. |
| Newark HS Bluffers: C R. Sandoval joins the team. |
| Port Isabel HS Ants: MR M. McGuire joins the team. |
| Northwood HS Jackals: MR B. Howell joins the team. |
| Paradise HS Sentinels: MR A. Calderón joins the team. |
| Paradise HS Dodos: SS J. Antonio joins the team. |
| Glendale HS Goths: 2B C. Madrigal joins the team. |
| Kansas City HS Squirrels: 2B S. Ruíz joins the team. |
| Toledo HS Sea Dogs: MR T. Bayo joins the team. |
| Riverside HS Sandpipers: MR C. Cox joins the team. |
| Tulsa HS Commanders: MR S. Robbins joins the team. |
| Staten Island HS Explorers: C J. Martínez joins the team. |
| Tampa HS Loggers: SP G. Thompson joins the team. |
| Newark HS Bluffers: CL M. Fisher joins the team. |
| Port Isabel HS Ants: CF S. Blanchard joins the team. |
| Northwood HS Jackals: SP F. Moreno joins the team. |
| Paradise HS Sentinels: CF M. Martínez joins the team. |
| Paradise HS Dodos: 3B C. Clayton joins the team. |
| Glendale HS Goths: SS K. Davis joins the team. |
| Kansas City HS Squirrels: C J. Román joins the team. |
| Toledo HS Sea Dogs: MR M. Tulk joins the team. |
| Newark HS Bluffers: CF F. Marshall joins the team. |
| Northwood HS Jackals: CF E. Harrell joins the team. |
| Glendale HS Goths: C J. Torres joins the team. |
| Glendale HS Goths: RF G. Webb joins the team. |
| Toledo HS Sea Dogs: C J. Flores joins the team. |
