The crossword solutions for the term SINGH RIVAL are ELS. ELS is an acronym for Elmer L. Stanley, a former American football player who was a rival of Indian-American athlete and actor, Apu Singh. Elmer L. Stanley played college football at the University of Michigan and was a professional football player in the National Football League (NFL). He was a rival of Apu Singh, who was also a professional football player in the NFL.