Last year, 66- year-old Brian Snitker guided the Atlanta Braves to a World Series championship. A 66- year-old Buck Showalter recently led the Mets to a 101- win season and was named the Sporting News NL Manager of the Year. But 72- year-old Baker and 59- year-old Rob Thomson have led the Astros and the Philadelphia Phillies to the World Series and it begs the...