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South Side Sox Top Prospect No. 10: Andrew Dalquist

This elite prep arm will get his first shot at near-full season pro ball come summer

Sean Williams/South Side Sox

Andrew Dalquist

Right-Handed Starting Pitcher
175 pounds
Age: 20
SSS rank among all right-handed starting pitchers in the system: 6
2021 SSS Top Prospect Vote: 15
2020 SSHP Top Prospect Ranking: 13

Andrew Dalquist’s 2019 prep stats for Redondo Union High School in Redondo Beach, Calif. are difficult to come by. His junior stats were nice (1.55 ERA, 1.14 WHIP, 25.8 K%), but that was when he possessed a slightly above-average fastball. It’s likely those numbers improved greatly during his senior season, however, not just because Dalquist was another year older but because his fastball velocity jumped to 91-95 mph during offseason tournaments and varsity competition.

Dalquist was verbally committed to the University of Arizona, but reneged on it to sign an extremely over-slot deal with the White Sox as the team’s third-round selection in the 2019 MLB draft.

After signing, Dalquist was handled delicately by the Sox organization. In three starts totaling the same number of innings for the AZL squad, Dalquist allowed nary an earned run as he surrendered just two hits and two walks while striking out two.

Dalquist’s repertoire features both the four-seam and two-seam fastballs, and while his fastball doesn’t have elite velocity at this time, the extension on his delivery is deceptive enough to seemingly add a bit more oomph on the fastball. His mid-70s curveball, like his fastball, is graded at 55 by MLB Pipeline thanks to its depth. He also features a 50-grade changeup and slider, which should only get better with increased usage at the professional level. Dalquist’s command also grades at 50, which isn’t a surprise due to his youth.

Nevertheless, it seems Dalquist has an above-average arsenal from which to work on. He just needs the experience to harness his repertoire effectively. He likely will begin 2021 with Kannapolis.