Groth comes to Creighton with a combined eight letters in baseball (four) and basketball (four) as a Cardinal.
Austin was a four-time All-River Cities First Team selection in baseball and nabbed the honor three times in basketball.
A three-time All-Nebraska First Team member, Groth was 6-1 with an 0.93 ERA during his senior season. The right-hander closed the year with 52 strikeouts and dealt eventual Class B champion, Lincoln Pius X, its only loss (2-1) at the state tournament.
The South Sioux City, Neb. native finished his junior campaign (Legion and school baseball combined) with a 12-3 record in 81 2/3 innings pitched, guided mainly by a fastball that has been clocked over 90 mph. Groth collected 144 strikeouts against just 26 free bases handed out.
He also finished the season with four saves.
Groth also played a key role in South Sioux City’s back-to-back basketball titles, earning All-State and All-Metro honors after averaging 19.5 points as a junior and 17.4 points as a sophomore.