Osburn makes his professional debut with the Wingnuts after finishing his collegiate career at Missouri Southern State University. The lefty finished 2018 with a 4-4 record in 13 starts, posting a 3.99 ERA over 85.2 innings. Prior to his time at MSSU, the Broken Arrow, Okla., native pitched at Arkansas Little-Rock and Butler Community College in El Dorado. While with the Grizzlies, Osburn went 10-3 with a 2.55 ERA in 2015, earning First Team All-Jayhawk Conference as a sophomore.