According to Hal Smith , his roommate with Birmingham , Virdon changed his approach to hitting , prioritizing line drives to all parts of the field , rather than trying to hit for power .
In 42 games for Birmingham , Virdon had a . 317 batting average .
According to Hal Smith , Virdon 's roommate Birmingham Birmingham , Virdon changed his approach to hitting , prioritizing line drives to all parts of the field , rather than trying to hit for power .
In 42 games for Birmingham , Virdon had a . 317 batting average .