Question: William Frederick Truax, is a former professional American football tight end in the National Football League (NFL) from 1964 to 1973 for the Los Angeles Rams and the Dallas Cowboys, following the 1970 NFL season, Truax was traded by the Rams to the Cowboys for wide receiver Lance Rentzel, a former American football flanker, in which organization?
Sentence (from "Lance Rentzel"): Thomas Lance Rentzel (born October 14, 1943) is a former American football flanker in the National Football League (NFL) for the Minnesota Vikings, Dallas Cowboys and the Los Angeles Rams.
Relevant evidence: Yes