Our Baseball Rules

    12u: Field dimensions are 50-foot pitching distance, 70-foot base paths, 8-foot-high fences and 200 foot fences.

    In addition to our regulation fields we have two Green Monsters, which have 20-foot-high Green Monster fences! See if you have what it takes to clear the Monster!

    Players must be 12u and not turn 13 before May 1.

    All games will be six innings, with a 10-run mercy rule after four innings. Base runners will be allowed to lead off.

    The use of all tobacco products is prohibited.


    Prior to each game, field umpires will review the rules and official lineup cards with both head coaches. The home team book is the official game book.

    All games in POOL PLAY will be 6 Inning games (Weather Permitting).

    PITCHER: Only the starting pitcher can re enter as a pitcher as long as he/she stays in the game in a defensive position. Once removed from the game the pitcher can re enter the game defensively, but not as a pitcher.

    No pitching restrictions (Coaches discretion); please take into consideration the health and safety of your players.

    Illegal bats, DeMarini recalled bats. Also check with baseball operations for any additional info regarding illegal bats.
    Restricted Bats



    • Will be called following Major League Rules.
    • There will be one warning per pitcher per game, until the single elimination tournament begins on Wednesday.
    • The warning will be immediate dead ball.
    • All balks called after the warning will be delayed dead balls.


    • A team may bat straight 9 players.
    • A team may bat the lineup (all players listed on the roster) and make free defensive substitutions.
    • When a player who has left the game is scheduled to bat and no legal substitutes are available, an out shall be declared for each turn at bat.
    • Re-entry Rule: Starters may re-enter in the same offensive spot once.
    • Substitutes cannot re-enter the game once they have been removed.
    • A COURTESY RUNNER can be used for the catcher only, and may only run for one player per inning.
    • You must use a player not in the current lineup.
    • If all players are in the lineup, the player with the last recorded out will be used.
    • A player MUST SLIDE or attempt to avoid contact on all close plays.
    • Whenever a tag play is evident, a runner must slide or seek to avoid contact with the fielder and/or catcher.
    • Attempting to jump, leap, or dive over the fielder and/or catcher is not interpreted as seeking to avoid contact.
    • Malicious contact shall supersede all obstruction penalties. The runner shall be called out and may be ejected from the game at the umpire's discretion.


    • Teams may begin pre-practice game warm-ups 15 minutes prior to practice game time in the outfield.
    • Team equipment must remain inside the dugouts while the ball is in play.
    • All areas within the walls of the fields are in play except for the dugouts and spectator areas.
    • Pitchers must warm up outside of the field.
    • In the case where a game is forced into a rain delay by the umpire, teams are to remain in their designated dugout until notified by a Cooperstown All Star Director.


    • Coaches must wear their CASV coaches shirt and CASV hat during all games.
    • Players must wear only CASV uniforms and they must be tucked in at all times during games.
    • Players must have plain white baseball pants.
    • No metal spikes.
    • No jewelry.

    Promote good sportsmanship both on and off the field:

    • Coaches, please remind your players to respect the upkeep and beauty of the baseball fields.
    • Please ask players to replace all divots made on the field.
    • Should any player or coach take part in any fighting, those individuals shall be ejected from the tournament immediately.
    • Should any member of the team subsequently become involved in a second incident of fighting, the entire team shall be ejected from the tournament.
    • Any player ejected from a game will be suspended from three consecutive games.
    • Any coach ejected from a game will be removed from the premises for the remainder of the tournament and may not return as a spectator.


    • Teams must be at their assigned field ready to play thirty minutes before game time.
    • Coaches will receive their schedule for games during registration.
    • The home and away positions will be predetermined.
    • The home team will occupy the third base dugout.
    • Batting practice must be held inside the batting cages.
    • All coaches must abide by batting cage/practice field schedules.


    • All teams must supply helmets, practice baseballs, bats, catching gear, pants and safety equipment and line-up cards.
    • Players may use any length/weight metal bat provided the diameter DOES NOT exceed 2 3⁄4 inches.
    • It is required that every player wear a double earflap protective helmet while batting, on deck, in the coach’s boxes and running bases.
    • NO wooden bats.
    • We are not responsible for any personal items brought to the CASV property. Outside coolers with drinks and food are NOT permitted in the bunkhouses and can NOT be brought to games in the dugouts. Outside food and beverages of any kind (except for bottle water) are not permitted on Cooperstown All Star Village property, in accordance with the NYS Department of Health. 


    • Coaches Meeting at 4:00 pm in the Players Pavillion
    • Purpose: To standardize the quality of baseball played at the All Star Village
    • Goal: To have the coaches, umpires, players and spectators working together so that we all have the Ultimate Cooperstown Experience!
    • Agenda:
      1) Baseball rules interruption - director call for clarification
      2) Field and spectators rules: Ground rules, score book and game highlights.

    In the case of a dispute, the decision of the Director of Baseball Operations is final.

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