![Lefty David Peterson, Regis Jesuit grad, making big-league debut](https://i0.wp.com/guybostonsports.com/wp-content/uploads/2020/07/peterson.jpeg?fit=1200%2C800&ssl=1)
David Peterson to Debut for Mets – Guy Boston Sports
![Lefty David Peterson, Regis Jesuit grad, making big-league debut](https://www.bocopreps.com/wp-content/uploads/migration/2017/0613/20170613_14PRGILw-1.jpg?w=620)
Alumni corner: Rockies select Gilbreath in seventh round of MLB
![Lefty David Peterson, Regis Jesuit grad, making big-league debut](https://metsmerizedonline.com/wp-content/uploads/2023/10/Koc6iZk4.jpg)
2023 Mets Report Card: David Peterson, LHP - Metsmerized Online
![Lefty David Peterson, Regis Jesuit grad, making big-league debut](https://i0.wp.com/sentinelcolorado.com/wp-content/uploads/RJCreek1Web.jpg?fit=600%2C400&ssl=1)
Baseball: Regis Jesuit lefty David Peterson gives verbal
![Lefty David Peterson, Regis Jesuit grad, making big-league debut](https://image.maxpreps.io/editorial/article/d/d/7/dd7c02fc-ccb5-418e-aa3d-9968ab37f538/d4528aa8-03da-e511-bef0-a0369f3c1b4c_original.jpg)
MaxPreps 2016 Top 100 high school baseball rankings
![Lefty David Peterson, Regis Jesuit grad, making big-league debut](https://l450v.alamy.com/450v/2p55tpg/pitcher-david-peterson-3-of-regis-jesuit-high-school-in-denver-colorado-during-the-under-armour-all-american-game-on-august-24-2013-at-wrigley-field-in-chicago-illinois-mike-janesfour-seam-images-via-ap-images-2p55tpg.jpg)
Pitcher David Peterson (3) of Regis Jesuit High School in Denver
![Lefty David Peterson, Regis Jesuit grad, making big-league debut](https://09d1d85a2275582e9dad-7b3e649a230e2ba2cff912d8af17e0b5.ssl.cf1.rackcdn.com/474369.jpg)
David Peterson Class of 2014 - Player Profile
![Lefty David Peterson, Regis Jesuit grad, making big-league debut](https://img.yumpu.com/58576589/1/500x640/cherry-creek-baseball-2017-edition.jpg)
Cherry Creek Baseball - 2017 Edition
![Lefty David Peterson, Regis Jesuit grad, making big-league debut](https://upload.wikimedia.org/wikipedia/commons/e/ee/Christian_McCaffrey_2019.jpg)
Christian McCaffrey - Wikipedia
![Lefty David Peterson, Regis Jesuit grad, making big-league debut](https://lirp.cdn-website.com/f0e7868e/dms3rep/multi/opt/McMillen_Jim.1.Illio-640w.jpg)
ILLINI Legends, Lists & Lore
![Lefty David Peterson, Regis Jesuit grad, making big-league debut](https://dxbhsrqyrr690.cloudfront.net/sidearm.nextgen.sites/csp.sidearmsports.com/images/2012/5/31/7077910109_8cd237c8e9_b.jpg)
Chris Peterson - Baseball - Concordia University, St. Paul Athletics