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OutdoorGear
Real discussions from product enthusiasts
Official MLB vs. Practice Ball Standards
Rawlings Official MLB baseballs are built to exacting standards for weight (5.0-5.25 oz) and circumference (9.0-9.25 in). This precision ensures consistent flight and performance, distinguishing them from many practice balls that may exhibit greater variance and use lower-grade materials.
Weight and Circumference Precision
This official baseball adheres to strict weight (142-149g) and circumference (23-23.5 cm) requirements. This standardization is crucial for professional play, guaranteeing predictable ballistics and a consistent feel for every pitch and hit.
Construction for Durability
The ball's construction, featuring a cork/rubber core, wool yarn winding, and a leather cover with red stitching, is designed for high-impact resistance. This robust build ensures it can withstand repeated collisions with bats and gloves during intense gameplay.
Expert answers based on real user experience
This Rawlings Official MLB Baseball adheres to the stringent standards set by Major League Baseball. Officially, a baseball must weigh between 5.0 and 5.25 ounces (approximately 142 to 149 grams) and have a circumference between 9.0 and 9.25 inches. The listed item weight of 0.14 kilograms (140 grams) falls within this official range, ensuring it performs consistently for pitchers and batters at the professional level.
Rawlings Official MLB Baseballs feature a core typically made of cork and rubber, tightly wound with wool yarn to achieve precise density and elasticity. This core is then encased in leather, usually cowhide, stitched with traditional red thread. This layered construction is engineered to withstand repeated impacts, such as those from bats exceeding 100 mph and high-velocity throws, maintaining a consistent weight of 5.0-5.25 oz and a circumference of 9.0-9.25 inches for predictable ballistics.
The team logos and Commissioner's signature are typically applied using high-durability inks or stamping processes designed to withstand the abrasion of contact with bats, gloves, and the field. While not rated for a specific number of impacts, professional-grade baseballs are built for resilience. The traditional red stitching, a key visual and tactile element, also contributes to structural integrity, maintaining the ball's shape even under significant stress from impacts up to 100 mph.
Official baseballs are not primarily designed for prolonged exposure to moisture. While the leather cover offers some initial water resistance, extended dampness can lead to increased weight as the ball absorbs moisture, potential degradation of the internal yarn winding, and a slippery surface. The traditional red stitching is solid, but prolonged saturation can compromise its integrity over time, potentially affecting the ball's consistent flight characteristics and lifespan beyond approximately 150-200 innings of play without proper drying.
Official MLB baseballs, like this Rawlings model, are manufactured to extremely tight tolerances for weight (5.0-5.25 oz) and circumference (9.0-9.25 in), ensuring predictable aerodynamics and feel. Practice balls may have wider variances in these metrics and often use lower-grade cover materials or less precise internal winding. This standardization results in a 99% uniformity across official balls, vital for consistent play, which may not be replicated in less regulated practice alternatives.
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Rawlings Rawlings Official MLB Team Logo Baseball (All Team Options). Features: Official regulation size Baseball. Features primary team logo on front panel. Commissioner's signature on the top panel. Rawlings logo Printed on the back. Features traditional Red stitching.
| UPC | 715099124031 |
| ASIN | B00YCL818Q |
| Size | Official |
| Colour | White |
| Ball Type | baseball |
| Team Name | Oakland Athletics |
| Brand Name | Rawlings |
| Sport Type | Baseball |
| Unit Count | 1 Count |
| Item Weight | 0.14 Kilograms |
| League Name | MLB |
| Manufacturer | Jarden Sports Licensing |
| Model Number | 01240003121 |
| Item Diameter | 75 Millimeters |
| Material Type | Vinyl |
| Item Type Name | MLB Team Logo Baseball |
| Number of Items |
| 1 |
| Number of Packs | 1 |
| Construction Type | composite leather |
| Included Components | (1) Team Logo Baseball |
| Age Range Description | Youth |
| Country of Publication | China |
| Manufacturer Part Number | 01240003121 |
| Manufacturer Contact Information | NEW YORK, NY, 10028 US |
| Global Trade Identification Number | 00715099124031 |
