Videos Video: Tom Seaver Explains ERA May 11, 2014 Mark Berman 0 Comments If the sight of Tom Seaver in a Reds uniform makes you physically ill, quickly close out this page. If not, watch this video of Tom Seaver explaining how to figure out a pitcher’s ERA. You may also like ... Video: Tom Seaver’s Hall of Fame InductionMets VideosVideo: The Citi Field ShakeVideo: Roger McDowell, Starting Pitcher?!