Phillies Opening Day Stat Leaders: Hitters Share this story Today is the 139th Opening Day in Phillies franchise history. Recently a question from a commenter prompted some searches into baseball-reference.com for the biggest performers in Phils’ Opening Day games. Yesterday we covered pitchers, and here we’ll look at career leaders in Opening Day hitting, as well as some of the biggest single game performances. Stats are since 1901, when baseball-reference begins tracking game-level details. It’s worth keeping in mind that these are stats when facing the opposing team’s best pitcher (and in many cases in cold, late March/early April weather).