On this day: Died June 21, 1969: Maureen Connolly, American tennis player

(Reuters) - American Maureen Connolly's career lasted only four years in the early 1950s but it was enough time for "Little Mo" to make a big impression in the tennis world.

Feared and revered for her aggressive style, the 5ft 4in San Diego native's firepower saw her nicknamed in reference to the U.S. Navy battleship USS Missouri -- which was dubbed "Big Mo."