Basically a line drive hitter, Wirth did not have any real power, but she was an accomplished bunter that put the ball in play and was extremely hard to strike out, averaging one strikeout per every 7.55 at bats (160-for-2120) while collecting a solid 1.96 walk-to-strikeout ratio (313-to-160).

[1] Wirth entered the AAGPBL in 1945 with the South Bend Blue Sox, playing for them through the 1951 season as a replacement for departed shortstop Dottie Schroeder.

She joined a talented team, managed by Marty McManus, that included players as pitching star Jean Faut, one of the most dominant hurlers of the league, as well as Bonnie Baker, Betsy Jochum, Phyllis Koehn, Elizabeth Mahon and Inez Voyce, whom could be counted on for their bats and solid defense.

For the second consecutive year, South Bend reached the playoffs after going 57–54, but the club lost to the Grand Rapids Chicks in their first round of post-season action.

At this point, Alice Haylett led the league with a 25–5 record and a 0.77 earned run average, while Joanne Winter finished 25–12 with a league-lead 248 strikeouts.

Audrey Wagner, who won the batting title with a .312 average, became the only girl to hit over .300, ending 23 points ahead of runner-up Connie Wisniewski.

She is also part of the AAGPBL permanent display at the Baseball Hall of Fame and Museum at Cooperstown, New York, opened in 1988, which is dedicated to the entire league rather than any individual player.