[1] Most of Bowman's professional baseball career was spent in the minor leagues, where he played from 1946 to 1961, winning 131 games and losing 119 overall.

[3] Bowman hurled the first of two Pacific Coast League no-hitters while pitching with the Oakland Oaks in 1952 against the Hollywood Stars.

[4] Bowman joined the Hollywood Stars in 1954, as he posted a 22–13 record with a 2.51 ERA and 165 strikeouts in 258+1⁄3 of work, leading the PCL in wins and games started (37).

[5] He then pitched a seven-inning perfect game against the Portland Beavers on the final day of the season to give his team a tie for the pennant race with the San Diego Padres, who then won a one-game playoff.

[9] Bowman spent his final Minor League seasons pitching for the Minneapolis Millers, Buffalo Bisons, Sacramento Solons, Louisville Colonels and Portland Beavers, before joining the Hawaii Islanders as an assistant manager to Tommy Heath, who had been his manager with the Trenton Giants in 1947.