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Marucci CAT9 Composite Pastime -10 USSSA Junior Big Barrel Baseball Bat: MJBBCCP9A Quantity
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  • Free Shipping

  • 2 3/4 Inch Barrel Diameter

  • Drop 10 Length-To-Weight Ratio

  • Slightly End Loaded Feel (Marucci & JustBats Believes That All Hitters Should Be Able To Handle It)

  • Two-Piece, All-Composite Baseball Bat

  • Displays USSSA (New 'NTS Tested') Certification

  • Designed For Use In Coach Pitch Or Machine Pitch Play. Not Designed To Hit Baseballs Thrown Harder Than 40-45 MPH (Typically For 5-7 Year Olds).

  • Colorway: Red | White | Blue

  • MDX Composite Material - Built With Multi-Directionally Patterned Layers Of Composite. End Result Is A Material Designed To Create An Ultra-Responsive Barrel.

  • Outer-Locking System (OLS) - Attaches The Barrel To The Handle From The Outside In. This Provides One Of The Stiffest Connections Available And It Also Reduces Nearly All Vibration.

  • Ring-Free Barrel Construction Allows For More Barrel Flex And Increases Performance With No Dead Spots

  • Sting-Free Comfort Knob Has An Ergonomic Design To Increase Comfort And The Batter’s Ability To Control The Bat

  • Micro-Perforated Soft-Touch Grip Provides Needed Tack & Comes With A 1.75 MM Thickness

  • Full Twelve (12) Month Manufacturer's Warranty

Marucci CAT9 Composite Pastime -10 USSSA Junior Big Barrel Baseball Bat: MJBBCCP9A

Your young hitter will feel like an all-star when they arrive at the dish swinging this Red, White and Blue baseball bat!

Bat Benefits

The CAT9 Composite Junior Big Barrel bat allows young hitters to experience the luxury of hitting with one of the fanciest made baseball bats on the market. This CAT9 Composite is made from a two-piece, all-composite design. As well, it is going to be painted with the impressive red, white and blue colorway that will have you looking like Uncle Sam on your way up to the dish.

Marucci builds the bat's composite in their MDX design. This MDX material makes use of many different directions of composite layering. The result that should come forth from the intricate layering design is that the material should be very high-performing. To follow the impressive design of the composite material, Marucci also has added their OLS (Outer Locking System) Connector Piece to link the barrel and the handle of the bat together. The OLS system connects the barrel and handle from both the inside and the outside. This connection system should limit the amount of vibration that gets down to a player's hands on a miss-hit and it should also create a very stiff feel at the moment of connection with a baseball. Players have reported in recent years that they really like the stiff feel on their two-piece bats.

Lastly, please note that this bat is indeed a Junior Big Barrel bat. It is designed for use by batters that are participating in Coach Pitch and Machine Pitch baseball leagues. Because of that, we think the 5-7-year-old age range will work best for using this bat. As well, we really think it will hold up best if it is used with pitching that hovers between 40-45 mph (or below). It is probably best to keep it out of a kid pitch game in the case that there is a pitcher throwing really hard for their age.


Marucci does their best to make sure that their bats last. And if a case comes up where a bat breaks down, Marucci is most times able to get the customer a replacement under their manufacturer’s warranty period. They offer a twelve (12) month warranty on their bats and that period extends from the date of purchase. If you have bought this bat from JustBats and it has broken down on you within a year from the purchase date, please message our JustBats Bat Experts. The Experts are trained in bat warranty knowledge and will be able to get you the information needed to begin the warranty replacement process with Marucci.

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Have a question about the Marucci CAT9 Composite Pastime -10 USSSA Junior Big Barrel Baseball Bat: MJBBCCP9A? Ask our team of experts and they will respond within 24 hours.

My son is transitioning to kid pitch this year. He is a smaller 9 y/o currently swinging a 25in/15oz bat. I see the description on this bat recommends for coach/machine pitch. Any suggestions on a 26in/16oz “kid pitch” bat? I’d prefer to stay with the Marucci brand.
Matt G
The Marucci CAT9 Composite Pastime -10 USSSA Junior Big Barrel Baseball Bat: MJBBCCP9A, due to the barrel wall design, is best suited for 5-7 year old players in coach pitch leagues as these bats do not withstand much more than about 40 MPH on the pitch velocity. Unfortunately, at this time we do not have any 26/16 Marucci youth bats that would be for kid pitch leagues.
No results. If you searched for a specific term, please broaden your search. If you have already done this and still cannot find what you're looking for, please submit your question and we'll get back to you within 24 hours. Thanks!

At Marucci, they make their products the same way you play baseball: Hard work, determination, and attention to detail. This product is handcrafted. We are committed to never releasing a product before it meets the standard set forth by our wood bat. Our process is proven. The only way to achieve perfection is to accept nothing else. We first have gloves to Big Leaguers in our inner circle to break in and critique - knowing the extreme situations they would be put in. Players like Chase Utley allowed us to comprehend what a player needs and looks for in an ideal fielding glove. The Marucci player advisory board was integral in testing, tweaking, and ulitmatley perfecting the glove line to have the feel and features that matter to players. Understanding this professional standard of perfection has allowed us to handcraft a performance product that will last consistently maximize your game. Handcrafted, one by one, with the highest quality materials, for superior quality and feel, these gloves will require a gradual break-in period which provides a longer lasting form and shape. Professionally Inspired. Precision Crafted. Marucci: Honor the Game.

Marucci CAT9 Composite Pastime -10 USSSA Junior Big Barrel Baseball Bat: MJBBCCP9A
Approved For USSSA
Barrel Diameter 2 3/4
Baseball Bats Coach Pitch
Bat Construction Two-Piece
Bat Type Baseball
Color Blue Red White
Deals Personalization Eligible
Length to Weight Ratio -10
Material Composite
Price $200 - $299.99 $200 - $249.99
Series CAT CAT Composite CAT9
Swing Weight Slightly End-Loaded
Vendor Marucci
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