APRIL 20: Boston Marathon Live on CBSBoston.com, WBZ-TV and WBZ NewsRadio 1030 | Coverage Details
Live Blog | Mile By Mile Guide | Road Closures | Best Spectator Spots | Forecast | All Marathon Coverage

Former Red Sox General Manager

Bobby Valentine argues with umpire Al Porter after he was ejected from a game at Fenway Park June 10, 2012.  (Photo by Jim Rogash/Getty Images)

Felger & Mazz: Mike Port Talks Technology Improving Baseball

Former Red Sox interim general manager and vice president of umpiring Mike Port joined Felger and Massarotti to discuss the state of umpiring in Major League Baseball.