Just a few simple lines for the Flat Bowler Table.
This table is designed for leagues where you only have the final results.

CREATE TABLE flatbowlerTBL (
bowler_id MEDIUMINT UNSIGNED NOT NULL AUTO_INCREMENT,
bowler_name VARCHAR (35) NOT NULL,
avg FLOAT(5,1) UNSIGNED,
numgames INT UNSIGNED,
thundo INT UNSIGNED,
thundopct FLOAT(5,1) UNSIGNED,
team_id MEDIUMINT UNSIGNED NOT NULL,
division_id MEDIUMINT UNSIGNED NOT NULL,
league_id MEDIUMINT UNSIGNED NOT NULL,
PRIMARY KEY (bowler_id)
);