Leonard Roscoe Tanner is an American former professional tennis player. He reached a career-high singles ranking of world No. 4 on July 30, 1979.

Raúl Ramírez is a Mexican former professional tennis player. He was active during the 1970s and 1980s. Ramírez was the first player to finish first in both singles and doubles Grand Prix point standings, accomplishing the feat in 1976. He attended and played tennis at the University of Southern California in Los Angeles.