Earned run average, abbreviated ERA, has long been one of baseball's most recognizable statistics, signifying the number of earned runs that a pitcher surrenders per nine innings. Major League ...
(playful music) (electronic gadgets clinking) - [Children] Math Mights! - Welcome 3rd grade Math Mights. I'm so excited you joined us today. My name is Ms. Askew and I can't wait to have fun learning ...