The St. Louis Cardinals announced prior to tonight's game that they have purchased the contract of rookie infielder Patrick Wisdom from Memphis (AAA), and placed rookie infielder/outfielder Yairo Muñoz on the 10-day disabled list (right wrist sprain). The club also announced that it transferred right-handed pitcher Luke Gregerson to the 60-day disabled list.
Wisdom, 26, is batting a career-best .289 (103-for-357) with 14 home runs and 58 RBI in a team-leading 103 games this season for the first-place Redbirds. The 2018 Pacific Coast League Mid-Season All-Star has appeared defensively in 89 games at third base and seven at first.  
Selected by the Cardinals in the supplemental first round (52nd overall) of the June, 2012 First-Year Player Draft out of St. Mary's College of California, Wisdom has played in 747 career minor league games over seven minor league seasons. In 2017, Wisdom was named a PCL Post-Season All-Star at third base and a was key member of the PCL Champion Redbirds squad, where he was named Championship Series Most Valuable Player.
Wisdom ranks among Redbirds franchise leaders in home runs (50, 4th), RBI (177, 3rd), doubles (69, T6th), extra-base hits (122, 5th), total bases (500, 9th), games played (309, 10th), and at-bats (1,075, 10th).
With his first game appearance, Wisdom, who has been assigned uniform no. 21, will become the eighth player to make his Major League debut for the Cardinals this season, joining Jordan Hicks, Yario Muñoz, Tyler O'Neill, Austin Gomber, Daniel Poncedeleon, Dakota Hudson, and Adolis García.
Muñoz has appeared in 76 games for St. Louis during his Major League debut season, batting .284 (59-for-208) with six home runs and 31 RBI, appearing defensively at six different positions. The 23-year-old ranks among National League rookies in batting (3rd), hits (10th), doubles (12, 9th), RBI (6th), on-base percentage (.348, 4th), slugging percentage (.428, 5th), extra-base hits (18, 10th), and stolen bases (5, 4th).