A sportscaster in Lafayette, Louisiana used the term “Chinaman” to refer to a 14-year old Chinese golfer, Guan Tianlang, who played in the Masters, reports Deadspin.
According to the handbook from the Asian American Journalists Association entitled “Handbook to Covering Asian America” the term Chinaman is one to “avoid. A slur, often applied to anyone of Asian heritage. A term from 19th-century America, specifically for Chinese workers who worked for small wages building the transcontinental railroad. “Chinaman’s chance’’ means no chance at all, and implies injury or death. See also CHINK; GOOK; SLANT; SLOPE; VIETNAMESE SLURS.
You can see how the sportscaster used the term in Deadspin.