The Redbirds reached the postseason in 6 of their 23 years in the Pacific Coast League, all by means of winning division titles.
[6] The Redbirds faced the International League's Durham Bulls in the Bricktown Showdown for the Triple-A championship, but they were defeated in the single game, 5–4.
[8] Memphis won the division title by means of a tiebreaker (having a better regular-season record against divisional opponents than Iowa).
[12] With a league-leading 91–50 (.645) campaign, also a franchise high, the 2017 Redbirds clinched the division title by 22 games ahead of the second-place finisher.
[13] They defeated the Colorado Springs Sky Sox in the conference series and won their third PCL championship against the El Paso Chihuahuas.
[15] They proceeded to advance past the Oklahoma City Dodgers before defeating the Fresno Grizzlies for a fourth PCL championship.
In conjunction with the 2021 restructuring of the minor leagues, the Redbirds were placed in the new Triple-A East (AAAE),[18] but remained affiliated with the St. Louis Cardinals.
[21] Since 2023, seasons have been played with a split-season format in which the teams with the best league-wide records at the end of each half qualify for the playoffs.
The International League has used a split-season schedule wherein the teams with the best league-wide records at the end of each half qualify for the postseason championship playoffs since 2023.