Senior Rep (London District Baseball Association)

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Senior Specific Rules

Prohibition on the Use of Tobacco Products, Alcohol and Drugs

  • Players, coaches and umpires in uniform must refrain from using any tobacco products during all games.
  • Players, coaches and umpires in uniform must not be under the influence of alcohol or drugs.
  • Penalty for a) and b) will be immediate ejection for players or coaches and may result in loss of accreditation for umpires.


In all games in all OBA series, all team personnel, including the manager and coaches, must be in complete baseball uniform.

Note: Complete baseball uniform shall consist of:

- corresponding tops or jerseys (with proper numbers),

- corresponding (similar) baseball caps

- baseball pants (no shorts)

- corresponding stirrup or baseball socks.

Provided the teams are completely uniformed the uniformity as laid down by the Official Playing Rules of Baseball will be disregarded and no protest will be considered by the OBA after the game has been played.

All catchers are required to wear a mask with throat protector, helmet, chest protector, shin guards, cup and a cup‑type supporter.

Any team member serving as a catcher to warm up a pitcher shall wear a mask with throat protector.

For all Senior play, only wood bats (including composite wood bats) shall be permitted.

Pitchers will be allowed to wear Medic-Alert bracelets on the wrist of their pitching arm if such bracelets are locked or cannot be transferred to their non‑pitching wrist.

There is no visible jewellery allowed. Penalty – the jewelry will be removed.


At Senior the following limits apply to the number of teams for each OBA Play-off Tournament:

(1) Senior AAA (Eliminations) shall be unlimited; and

(2) Senior AA, A, B and C shall be limited to 12 teams, with no more than 2 teams coming from any one Affiliated Association. Additional teams may be added from an Affiliated Association to bring the tournament to a maximum of 12 teams including the host.

Except at Senior AAA and Senior AA, the champions and finalists in any category shall be classified in the next high category the following year.

Coaches & Managers:

As per the Official Rules of Baseball, at Senior any team member in uniform may act as a base coach.

Line Up Rules:

A designated hitter may be used for a pitcher at Senior as per the Official Rules of Baseball 6:10(b).

Pitching Rules:

At Senior, a second trip by a manager/coach to the same pitcher in the same inning shall result in the pitcher’s automatic removal from the pitching position. The pitcher, once removed after the 2nd trip in an inning, may continue in the game at another position but shall not be permitted to return to pitch in that game.

Printed from on Tuesday, May 11, 2021 at 9:00 PM