Perry Mason - Season 9 Episode 8
The Case of the Twelfth Wildcat

Burt Payne owns 10% of a professional football team. His rich wife, Ellen, owns the remainder. Knowing that hes washed up and needing some quick cash, Burt tries to sell his share of the team to a group of investors and even gets a down payment from them. Ellen, however, is opposed to the deal. Then, after she meets with one of the potential buyers aboard a train, Burt is apparently killed in an explosion.