Ken Griffey Jr. says Pedro Martinez is the toughest pitcher he faced | EPISODE 6 | CLUB SHAY SHAY

Ken Griffey Jr. immediately had an answer when Shannon Sharpe asked him: 'Give me some of the toughest pitchers you faced, where if you weren't on your A game, he could embarrass you.' Griffey goes on to talk about his former teammate and 5* Cy Young winner Randy 'The Big Unit' Johnson.