Ryan Howard, image- Jay Floyd READING- It is a mystery if the Phillies will win many more games than the MLB-worst 63 they notched last season, but it's clear that they could be dominant if they continue competing against minor leaguers after pounding their top prospects by a convincing 19-4 score. In the seven-inning exhibition, the big league club slammed eight home runs, four each off of right-handers Zach Eflin and Mark Appel . Eflin, who was acquired from the Dodgers two off-seasons ago in a trade for Jimmy Rollins , was charged with 12 runs (nine earned) on 11 hits while striking out two and walking one with a wild pitch in three innings of work. The 21-year-old declined to speak with media after the loss, but he and Appel (3 IP, 8H, 6R/6ER, 2K, 0BB, WP) did engaged in a little joke cracking at each other's expense on Twitter later in the evening. Each of the Phillies' eight home runs were launched by a different player. Odubel Herrera , Freddy Gal...