In his senior season in 2013, Somsen pitched to a 1.87 earned run average and was named the Summit League Pitcher of the Year.

[1] Somsen finished his career ranking in the top five in school history in starts (38), innings pitched (215), and strikeouts (180).

Somsen became the third former Jackrabbit to make his debut since 2013, joining fellow relief pitchers Caleb Thielbar and Blake Treinen.

[4] The Reds waived Somsen, and he was claimed by the New York Yankees on May 24, 2016, who assigned him to the Scranton/Wilkes-Barre RailRiders, for whom he made four scoreless appearances.

[11] He split the 2019 campaign between Tulsa and Oklahoma City, recording a 5.17 ERA with 13 strikeouts and 3 saves across 15+2⁄3 innings pitched.