History Early developments The ORGANIZATION@1 were the first baseball team to use uniforms , taking the field on April NUMBER@1 , NUMBER@2 in pants made of blue wool , white flannel shirts and straw hats .

Their uniforms were pants made of blue wool , white flannel shirts and straw hats . History Creation On April NUMBER@1 , NUMBER@2 , the ORGANIZATION@1 became the first team to use uniforms .
