It turns out the key to using Citizens Bank Park as an advantage is not hitting home runs, but preventing them.
The Phillies' pitching staff is on a pace to allow just 49 home runs at Citizens Bank Park. That would be 31 fewer than they have allowed in any of the previous seven seasons at the Bank.
Over the first four years of CBP, the Phils were outhomered at home by 33 home runs. In the three-plus seasons since, they have outclubbed the visitors by 66.
A year-by-year breakdown: