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!
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.
Major League Roller Hockey was created in 2008.
Before 1990, the major league baseballs were made in Haiti.
rawhide
194400
mud
50
rawlings
BC Hockey Major Midget League was created in 2004.
Major League Roller Hockey AA was created in 1998.
Manitoba Major Junior Hockey League was created in 1970.