There wasn't much baseball played at Fenway Park last week a sloppy home opener and two innings washed out by rain --but there was plenty of gamesmanship. A Fleet Bank sign in left center field had blocked out a Citizens Bank sign behind it on a building across the street from the park. But Citizens replaced its sign with a giant replica of Fenway's fabled Green Monster. The sign, complete with green padding and blasted-ball dents, has the distance from home plate in one upper corner and the Citizens Bank name in the other. The Fleet sign still blocks out much of the Citizens sign, but now it's just covering green and the rival bank's name is still easily spotted. Now if only Sox fans could spot Pedro's fastball ....