Myths in baseball have spanned the sport's entire history. Some of those myths are legendary - extending beyond reason and quantitative stats. Some baseball myths however, are easily and fully disproved by numbers. The myth of lefty hitters being successful at the plate with down-and-in pitches is one of the latter. In today's Insider, SI senior writer Tom Verducci shares the numbers that disprove the myth of lefty hitters and their success with down-and-in pitches.