11U League

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It's all about fun

We support fairness & Sportsmanship

House league is a recreational league intended to develop the fundamentals of the game, fair play, and sportsmanship. It is not a for children interested in high levels of competition.

Please note: Registration for our house league divisions opens in January. Please check our website, or facebook page for any updates.

Mosquitos Rules & Regulations

Rules of Play

All games are to a maximum of six innings, if time and weather permits. A game stopped due to weather will be considered complete if 3 innings have been finished. Keep warm-ups to a minimum to get innings in.

Any game where a team has less than 7 players at the diamond 15 minutes past the designated start of the game, it will result in the team forfeiting their right to win, teams will balance players and game play will start. If there are not enough players to balance teams the game will be called and players can leave the diamond.

When playing with 7 players the 8th and 9th place in the batting order are not automatic outs.

Rain Outs

GPMBA will update the website no later than 4 PM with a rain or weather cancellation, coaches will also receive a test in the even of a cancellation.

Please Note: Coaches are responsible for arranging makeup games and should reschedule within one week.

Please call: 780.296.1550

Base and Pitching Dimensions

Pitching mound set 44 ft and bases are to be set at 60 ft. 

Bat Regulations

Maximum Differential

Maximum Diameter
2 1/4″

Maximum Length

Walks and Intentional Walks

If a pitcher throws 4 balls, the coach from the hitting team will side toss to his hitter. Hitters can only reach base by way of hit or error. Current pitch count will not apply. Coach can side toss up to three times.

  • If player fouls the 3rd side toss ball, then he/she gets another toss 
  • If player misses the 3rd side toss, he/she is out
  • Coaches need to emphasize to kids to swing bat  
  • Umpires need to emphasize wider strike zones


Please Note: Coach can only toss from foul territory due to safety reasons and not to interfere with the play. Coaches cannot pitch from the mound.

Courtesy Runner

A courtesy runner may be used for catchers when they are on base with 2 outs in an inning for all regular season league games.

Pitch Counts

Any player on the team is eligible to pitch, and there are no restrictions to the number of pitchers a coach may use in a game.

A pitcher can only pitch a maximum of 2 innings or a total 44 pitches per game (based on Baseball AB Medium pitch count)

Baseball Canada

Unlimited Substitution – every player present will be placed on the line-up card in the batting order and will all bat in order; players are allowed to move in/out defensively without restrictions except that if the pitcher leaves the mound to play another defensive position, that pitcher may not return to the mound or catch in the same game (see fair play rule below); any player who becomes injured or must leave the game will be skipped in the batting line-up with no

All players who are present for a game and in uniform (unless injured and unable to play or suspended for that game by the league or team) must be listed on the batting order/line-up card – any coach who sits a player to gain a competitive advantage will be subject to

FAIR PLAY RULE – A player is not to sit more than 2 consecutive innings during the game, and no player shall sit more than 2 innings in a game until all players have sat at least 2

Mercy Rule is in effect (10 run differential when the losing team has completed their 4th offensive inning/at bat)

Stealing – Stealing is NOT permitted in Mosquito ‘A’

Maximum 5 Run/Half Inning Rule – Once the 5th run of a half inning is scored the inning automatically stops no matter how many outs there are and the half inning is

Lead Offs – no leading

Defensive Players Maximum of 9 players on the

Infield Fly Rule Does not apply

Pitcher may only pitch fastballs and change-ups

  • Baseball cleats, soccer cleats, or running shoes (No Metal Cleats)
  • Double eared batting helmet
  • Baseball Pants or sweat pants. (No Shorts)
  • Protective cup both male and female


2022 Award and AGM

The Grande Prairie Minor Baseball Association’s annual Award ceremony and AGM is fast approaching, and everyone is invited! Tuesday November 22, 2022, in the Chuck

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