2021 Marucci CT 9 (-10)

2021 Marucci CAT 9 (-10) senior league USSSA Baseball Bat

2021 Marucci CAT 9 (-10) is one of the most players recommended bat which becomes popular since drop 10 bats can be used by 7-12 years of age. Before buying the bat from CAT line, be sure you swinging a bat that has been turning heads since 2012. The CAT 9 is designed with some ultimate technology and high-performing thermally treated alloy with a bigger sweet spot. We are really excited about this drop -10 senior league baseball Bat.

Before elaborating our full detailed review, we want to highlight some facts of our reviews-



2021 Marucci CAT 9 (-10) USSSA Baseball Bat


Our Honest Star Rating

2021 Marucci Cat 9 (-10) Senior League USSSA Baseball Bat

Why is it better?

  1. Thermal treated AZR Alloy barrel made batter feel, forgiveness, and performance.
  2. A one-piece alloy bat has a clean, consistent, and traditional swing feel.
  3. A one year warranty with USSSA certified.













Features of 2021 Marucci CAT 9 (-10) Senior League Baseball Bat

  • Marucci utilized a three-stage thermal treatment process, their own AZR Alloy offers a more reactive micro-structure for better feel, more forgiveness, and performance. It does all this while maintaining the strength of the material as same as its predecessor.
  • Multi-variable wall design creates an expanded sweet spot and thinner barrel walls that are more forgiving after off-centered contact.
  • Second generation AV2 technology with the anti-vibration knob featured an upgraded, finely tuned excellent harmonic dumping system for a better feel and fewer negative vibration systems.
  • Ring-free barrel construction allows for more barrel flex and increases performance with zero dead spots.
  • Precision-balanced barrel results from a lower M.O.I and balanced feel for precision with control.
  • One-piece, All-alloy construction offers a clean, consistent, and traditional swing feel.
  • Micro-perforated soft-touch grip with extra tack improves feel and control.
  • Barrel diameter 2 ¾ inches
  • Drop-to-weight ratio -10
  • Full 12 months manufacturer warranty.
  • USSSA 1.15 BPF Certification.
  • Balanced swing feel
  • Black, Grey, Silver & Black color-way.
  • The CAT 9 Standards with 1.75mm grip.
  • Grip weight and manufacturer’s tolerance may cause a slight deviation from the original weight.

Full Reviews of 2021 CAT 9 (-10) Senior League Marucci Baseball Bat

We have seen before that every CAT bat was released with new alloy material, and this CAT 9 hasn’t any changes. They have innovated the makeup of the alloy material for this latest version of the bat. This CAT 9 bat introduced thermally treated AZR alloy material, this AZR alloy material undergone a unique 3-stage thermal treatment process. After this treatment process, the newly innovated CAT 9 displays an alloy material that has a better swing feel, more forgiveness, and unbelievable performance on the plate.

Marucci always cautious about the player’s enjoyment of playing, they realize that an uncomfortable swinging experience with a bat is harmful to the enjoyment of playing baseball. From this knowledge, they have incorporated the 2nd generation AV2 Soft knob technology to this baseball bat. The precision barrel results from a lower M.O.I and balanced feel.

The one-piece alloy bat may sometimes uncomfortable as compared to a 2-piece bat but CAT 9 reduced it by featuring AV2 Anti-vibration soft knob technology. So, this bat swings as smoothly and comfortably as nearly two-piece any bat out there.

Warranty Details

Marucci always cares about their bat’s user issues. If you buy this CAT 9 USSSA -10 Bat and get any durability and performance issues next 12 months from the purchase date, you will be getting a replacement from the bat producer. So don’t worry about the new CAT 9 baseball bats.

CAT 8 -10 USSSA VS CAT 9 -10 USSSA Bat

Marucci CAT 8 -10 Bat and CAT 9 -10 USSSA are almost similar featured bats. Both one-piece USSSA bats featured with a 2nd generation anti-vibration knob, micro-perforated soft-touch grip, expanded sweet spot, lower M.O.I, and same balanced feel. But 2020 CAT Usssa 8 bat featured with AZ105 Alloy on the other-hand 2021 CAT 9 -10 baseball bat featured with AZR alloy. Although both Aluminum USSSA version bats have similarly featured, the newer one has some updated technology. So, if your kids already used CAT 8 USSSA bats you should be aware of this series of bats.

2021 Marucci CAT 9 (-10) Senior League Baseball Bat Specifications

Barrel Diameter2 3/4 Inches
Drop Weight-10
SeriesCAT, CAT 9
Swing weightBalanced
CertificationUSSSA Baseball Certified
Year of productions2021
Color-wayBlack, Silver & Red
Length of the bat27”/17 oz, 28”/18 oz, 29”/19 oz, 30”/27 oz,
WarrantyFull 12 Months

Pros and Cons of the 2021 Marucci CAT 9 (-10) Senior League Baseball Bat


  • Great alloy with better feel
  • Lighter feel and smooth swing weight
  • Less hand string
  • Unique color-way
  • Anti-vibration system
  • Lower M.O.I.
  • USSSA Certified with a 12-months warranty.


  • Nothing but pop has some talking to the user.

Summary of the 2021 Marucci CAT 9 -10 Senior League Baseball Bat

Marucci 2021 CAT 9 -10 senior leagues USSSA is single-piece thermal treated AZR alloy made bat which is very smooth feel bats. This drop -10 weight USSSA Baseball bat is made with some extraordinary unique alloy, AV2 Anti-vibration soft knob technology for control vibration. We prefer this super durable 1.15 BFP USSSA certified bat for you’re under 12 year’s kids. Our young kids prefer it for a lighter swing and balanced feel bats.

So hurry up!

Don’t miss to buy this super popular version of a CAT 9 baseball bat.

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2 thoughts on “2021 Marucci CAT 9 (-10) senior league USSSA Baseball Bat”

  1. Pingback: 2021 The Goods One-Piece USSSA (-10) Baseball Bat - Top Baseball Reviews

  2. Pingback: 2021 Easton ADV 360 (-11) USA Baseball Bat - Top Baseball Reviews

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