Row WC is the very last row in Section 120, and is designated for handicap accessible and wheelchair seating. From this last row, you will have excellent overhead coverage provided by the Club level sections above and easy access from the concourse to the seats and vica versa.
Photo Credit: jcarwash31 via Flickr
The closest entry to your seats in Section 120 will be Gate 14, located directly behind home plate. From outside the stadium, the gate is located just off 7th street at the western side of the ballpark.