Julian Merryweather pitched two seasons at OBU in 2013 and 2014. He finished with a 22-5 record and had an ERA of just 1.73 in 182 innings pitched. Merryweather tied the second lowest ERA in program history with a 1.07 in 2014. That same year, Merryweather tied the fourth-most wins in a season with 12 and struck out the second-most batters in a season tallying 132. 
In 2014, he was drafted to the Cleveland Indians (Guardians).