Second on the team in on-base percentage (.413) and walks (30), tied for the most stolen bases (7) and triples (2) on the team, tied for the fourth most doubles (13)
Hit .349/.455/.458 (29-for-83), 5 2B, 2 3B, 11 RBI, 16 R, 14 BB in final 23 games; raised his season batting average from .218 to .286
Reached base safely in 21 consecutive starts 4/1-5/19/23
Multiple hits in seven of eight games from 4/29-5/12/23
14 multi-hit games; seven multi-walk games
3-for-5, 4 RBI, R, BB vs. Air Force 4/18/23
Career-high 17-game on-base streak from 2/19-3/24/23
3-for-5 with two doubles at Belmont 3/4/23
Starting center fielder on Opening Day
No. 20 Impact JUCO Transfer by D1Baseball
Transferred to Kansas with three years of eligibility remaining
Committed in July 2022
REDSHIRT FRESHMAN – 2022 (WABASH VALLEY)
Spent one year in the Wabash Valley program
.420/.531/.571 (86-for-205), 16 2B, 3 3B, 3 HR, 56 RBI, 75 R, 26 SB in 67 games
Reached base safely in 60 of his 67 games
Led the team in stolen bases (26); third on the team in doubles (16) and walks (42)
Walked more times (42) than he struck out (26)
Helped Wabash Valley finished in fourth place in the JUCO World Series
FRESHMAN – 2021 (CINCINNATI)
Spent one year in the Cincinnati program
Did not appear in a game
HIGH SCHOOL
Played four years of baseball at Montini Catholic High School in Lombard, Illinois
Threw a complete game to win the state championship as a junior in 2019
Helped his team win a regional championship as a sophomore in 2018
Two-time conference champions (2017, 2018)
Attended the 2019 upperclass Area Code Games representing the Chicago White Sox
Ranked the No. 11 outfielder and No. 62 overall prospect in the state of Illinois in 2020
Also played four years of basketball
All-conference and a team captain in basketball his senior year
Played club ball for the Downers Grove Longshots and Cincinnati Reds Scout Team
Member of the National Honor Society; had a 4.0 cumulative GPA and given the Presidential Award of High Honors
PERSONAL
Son of Lou and Maria Koszewski
Has three older sisters, Kristi, Marissa and Faith
His grandfather, Ron Sobieszczyk, played basketball at DePaul and in the NBA for the New York Knicks and Minneapolis Lakers from 1956-60
Chose Kansas because, “I fell in love with the coaching staff as soon as I met everyone. I’m really excited to work with them and help turn the program around. I also really love the traditions that go along with being a Jayhawk.”
Graduated with a bachelor’s degree in liberal arts & sciences in May 2024 from KU
Currently pursuing his master's degree in sports management