 Williams responded with a 12–8 record and 1.70 ERA in 25 games, striking out 48 in 180 innings.Her performance slacked to a 10–10 mark and a 2.25 ERA in 1948, but she still managed to strike out 55 and collect 160 innings in 23 games.Her most productive season in 1949, when she posted a 10–6 record with a career-high 1.64 ERA, which ranked her as the ninth best in ERA and winning percentage (.625), helping her team tie for first place with the Rockford Peaches.