43 NFL players who spent time in other leagues

Arena, the USFL, CFL and other leagues have been the path to the NFL for some players.

Warren Moon

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Warren Moon played college ball at Washington. Moon began his professional career with the Edmonton Eskimos in 1978, after going unselected in the NFL Draft. His success during his six seasons in the CFL led him to the NFL in 1984 with the Houston Oilers. Over his 17 NFL seasons, Moon was named to nine Pro Bowls and made seven playoff appearances. Following 10 seasons with the Oilers, he had brief multiple-year stints with the Vikings, Seahawks, and Chiefs before retiring at age 44.