Remember that many people carry Staph infection without having any symptoms. While 25% to 30% of the population may be colonized with Staph, only about 1% of people have been colonized with MRSA.
According to mlb.com, baseball bat's cannot exceed 42 inches, or 106.68 cm (1 inch = 2.54 cm). From Wikipedia, the average mass of a baseball bat is 0.96 kg. You can check the mass by weighing an average baseball bat, then dividing that number by 9.8 m/s^2. If you need any more help, don't hesitate to ask! According to mlb.com, baseball bat's cannot exceed 42 inches, or 106.68 cm (1 inch = 2.54 cm). From Wikipedia, the average mass of a baseball bat is 0.96 kg.
Effective January 1, 2018, USA Baseball will implement their new method for measuring bat performance in the testing of youth bats. The new USA Baseball bat standard, or USABat, will allow youth baseball organizations to reach their goal of wood-like bat performance in order to preserve the long-term integrity of the game, as well as instill a sense of uniformity among leagues.