The only real change in baseballs in the past 100 years came in 1974 when cowhide replaced horsehide as a cover.
Many horses are now baseball fans.
Over the years, a few teams have experimented with orange and yellow balls. Birth of a bat Bats are made from the wood of the white ash tree. The billets are aged for two years, dried, graded and sorted by weight. Then, in just 15 seconds, a machine can shape a billet into one of 213 different bat shapes. Finally, the bat is branded, sanded, and dipped in one of six surface finishes.