Fenwick appeared in five games for St. Louis after coming over in a trade on November 28th of 1972 with Ray Busse for Skip Jutze and Milt Ramirez.
He collected a single and an RBI over six plate appearances, striking out twice while playing three games at second base.
He made his Big League debut the season before with the Houston Astros, appearing in 36 games and hitting .180 with nine hits in 50 at-bats while playing all the infield positions but first base.
After spending all of 1974 in the San Diego Padres Minor League system he called it a career and retired, finishing up with a .179 career average with 10 hits over 56 at-bats, with seven runs scored and five RBIs.
