He was named a Freshman All-American by Collegiate Baseball after posting a 3–4 win–loss record with a 4.17 earned run average (ERA) and a team-high 89 strikeouts.
[8] Murphy began the 2021 season with the High-A Greenville Drive before being promoted to the Double-A Portland Sea Dogs.
[9] Overall with both teams during 2021, Murphy made 21 appearances (20 starts), compiling a 4.62 ERA and 8–5 record while striking out 128 batters in 101+1⁄3 innings.
[12] Overall with both teams, Murphy pitched to a 7–11 record in 30 games (28 starts), posting a 4.03 ERA while striking out 149 batters in 152 innings.
[14] In 10 games (9 starts) for Worcester through early June, Murphy registered a 7.71 ERA with 42 strikeouts in 39+2⁄3 innings pitched.