In 1946 , Jerry Witte won the first ever American Association Rookie of the Year Award .
The American Association Rookie of the Year Award was an annual award given to the best rookie player in minor league baseball 's American Association .
In 1946 , Jerry Witte won the first ever award             .
The American Association Rookie of the Year Award was an annual award given to the best rookie player in minor league baseball 's American Association .