Mariano Zabaleta, Argentinian tennis player
Mariano Zabaleta (born 28 February 1978) is a retired professional male tennis player from Argentina. He had an unusual but effective service motion. His best shot was his forehand and his favourite surface was clay. Zabaleta's career highlights include reaching the quarter-finals of the 2001 US Open and the final of the 1999 Hamburg Masters. He achieved a career-high singles ranking of World No. 21.