​Msgr. Ziemba Field is the home of 2-time State Champion St. Mary's Preparatory Eaglet baseball.  The field was named in honor of Rev. Msgr. Walter J. Ziemba (Prep '44, College '47), former President-Rector of the Orchard Lake Schools from 1967 to 1977, and a faculty member from 1951 to 1996, on Homecomng, September 21, 1996. He was named to the St. Mary's Preparatory Wall of Fame as an athlete and coach in 1993. New dugouts were dedicated on April 22, 2006. On October 22, 2018 the field was agian renovated adding a new score board, bull pens and an updated backstop. It was renamed Dan Petry Field after Dan Petry the right handed pitcher for 11 years for the Detroit Tigers organinzation. Petry was a part of the 1984 World Champion team.Petry has helped coach with his son Matt for 8+ years.