Generally no, but the Colorado Rockies use a special humidor for storing their baseballs due to Coors Field being a mile above sea level.
Major League Baseballs are made in Turrialba, Costa Rica; this is most certainly true!
Major League Roller Hockey was created in 2008.
The National League Spalding baseballs along with the American League Reach Baseballs (owned by Spalding) were used in Major league baseball for about 100 years until Rawlings took over in 1977, and Rawlings have been making major league baseballs ever since.
Before 1990, the major league baseballs were made in Haiti.
mud
rawhide
50
194400
rawlings
Quebec Major Junior Hockey League was created in 1969.
Manitoba Major Junior Hockey League was created in 1970.
BC Hockey Major Midget League was created in 2004.