Mike Shannon considered either making a comeback as a player or becoming a Cardinals coach before he launched a career as a team broadcaster.
This year will mark Shannon’s 40th season as a Cardinals broadcaster. He signed a three-year contract Feb. 4.
In the autumn of 1971, Shannon, 32, was at a crossroads. After it was discovered in spring training 1970 that Shannon had a serious kidney ailment (acute nephritis), he missed part of that season (appearing …

