He also was a member of the Edmonton Eskimos and Ottawa Rough Riders in the Canadian Football League (CFL).
[1] He accepted a football scholarship from Arizona State University, where he played halfback along with wingback Larry Todd.
Foster was selected by the San Diego Chargers in the 10th round (78th pick overall) of the 1965 AFL Draft.
In 1973, he missed most of the season after contracting pneumonia, which opened the door for Calvin Harrell to start at running back.
On June 4, 1974, he was traded to the Ottawa Rough Riders in exchange for defensive back Willie McKelton.