def get_roster(game_json):
    """
    Parse the roster info in the game json
    
    :param game_json: Json of all the info for a game
    
    :return: Dict: Key = Player id, Value = Name
    """
    players = {}
    for player in game_json['roster_player']:
        players[player['id']] = ' '.join([player['first_name'].strip(),
            player['last_name'].strip()])
    return players
