The NPB posted results for coefficient of restitution tests that were conducted on Mizuno's latest shipment of baseballs (1,200 boxes) from their plant in Shanghai.
Test Date: June 16, 2014
Number of Baseballs Tested: six boxes of twelve
|Sample Name||Avg CoR|
Coefficient of Restitution Limits: 0.4034 to 0.4234
Source: official announcement