Ben Affleck and Jennifer Garner have been on great terms for a long while now ... so it should be no surprise they took in a ballgame together with the kids.
The former husband and wife made a return to the big screen together, so to speak ... when they were shown on the jumbotron of the Red Sox game Friday night with two of their three children. It appears Violet was not there -- but Mom and Dad were sitting between Samuel and Fin.