Career Records/Notes: Career: Tied for third at PSU with 12 career sacrifice flies. Season (2025): Tied for second in a season at PSU with seven sacrifice flies. Season (2024): Ranks fifth in a season at Penn State with 43 walks (2024).
2025 (SENIOR)
Awards: Selected Academic All-Big Ten.
Season: Started all 56 games, splitting time between first base and second base…Collected 46 hits, 14 doubles, one triple, six homers, 31 RBI, 45 runs, 31 walks, 11 steals and seven sac flies. Posted a .991 fielding percentage…Had 11 multi-hit games and nine multi-RBI games…In conference games, tallied 23 hits, 10 doubles, three homers, 15 RBI, 26 runs, 19 walks and six steals…Had a 21-game reached base streak from April 13 to May 21.
Rankings: Led the Big Ten in sacrifice flies (7; 24th nationally).
Game-by-Game: vs. Missouri (2/14): Notched two hits. vs. Stetson (2/15): Had a double and a walk. vs. UConn (2/16): Drove in four runs, including a three-run homer, while adding a double, a single, a stolen base and two runs. at Longwood (2/22-23): Doubled and scored a run in game one…Tripled and scored a run in game two…Added an RBI single and a sac fly in game three. at Richmond (2/28): Collected an RBI double and a sac fly. at VCU (3/1): Walked and scored two runs. at William & Mary (3/2): Stole a base, while recording a walk and a run. vs. FDU (3/4): Collected two hits and drove in two runs. vs. Indiana (3/7-9): Singled and scored a run in game one…Had two hits, including a two-run double, and crossed the plate twice in game two…Contributed a two-run double and a sac fly in game three. at Georgetown (3/11): Launched a solo homer and scored twice, while adding a stolen base. at Northwestern (3/14-15): Tallied a solo homer and a double, while scoring twice and adding a stolen base in the series opener…Had a single and two runs in the second game of the series. vs. St. Bonaventure (3/18): Recorded a two-run single. vs. Lafayette (3/19): Notched a solo homer. vs. Michigan State (3/22-23): Had a hit, a sac fly and scored twice in the second game of the series…Collected two doubles and an RBI in the series finale. at Michigan (3/29): Tallied a single and scored a run. vs. Bucknell (4/1): Drove in a run. vs. Minnesota (4/5-6): Doubled and scored a run in the second game of the series…Had a double and a two-run homer in the third game. vs. Purdue (4/18-20): Doubled among two hits and scored twice in the series opener…Tallied two hits, including a two-run double and an RBI single, while adding two steals in game two…Singled and scored a run in game three. at UCLA (4/27): Launched a solo homer. vs. Rider (4/30): Drew three walks, while adding a single and a sac fly. vs. Maryland (5/2-4): Tallied a double, a run and a steal in game one…Stole a base and scored twice in game three. at Rutgers (5/10-11): Stole a base and scored a run in the second game of the series…Drove in a run in game three. vs. Xavier (5/15-17): Singled and scored a run in the series opener…Posted a single and two runs in game two…Collected two hits in game three. vs. Washington (5/21): Registered a single and a run.
2024 (JUNIOR)
Season: Played in 53 games, making 52 starts…Batted .281 with 57 hits, 11 doubles, seven homers, 37 RBI and 47 runs. Added 43 walks, six hit-by-pitches and six steals…Posted a .438 slugging percentage, .412 on-base percentage and .990 fielding percentage…Notched 16 multi-hit games, including two games with three hits and one game with four hits, and seven multi-RBI games…Had a nine-game hit streak from April 6-20 and a 13-game reached base streak from April 6 to April 28…In conference action, posted 30 hits, including five doubles and four homers, 21 RBI and 24 runs…Had a .461 slugging percentage.
Rankings: Ranked fifth in the Big Ten in walks (43) and walks per game (0.81)…Held sixth in the conference in sac flies (5).
Game-by-Game: vs. Monmouth, Army (2/16-18): Tallied six hits and scored a run on the weekend…Collected two hits against Army (2/17) and three hits against Monmouth (2/17). at Stanford (2/23-25): Accumulated two hits, four RBI and three runs in the series…Drew four walks and notched an RBI and a run in game one…Had a double and two RBI in game two…Launched a solo homer and drew two walks in game three. at Davidson (3/3): Secured two hits, including an RBI single, and scored a run. vs. Harvard (3/8-10): Tallied a single, two walks and scored two runs in the series opener…Blasted a two-run homer and added a sac fly in the series finale. UMass Lowell (3/14-16): Singled and scored a run in game one of the series…Recorded a three-run double and a sac fly in game three. St. Bonaventure (3/19): Drew three walks and scored a run. Michigan (3/22-24): Had five hits and scored four runs in the series…Collected two hits, including a double, and scored twice in game two of the series…Had two hits, including an RBI single, and scored two runs in game three. Pitt (3/26): Registered two hits and scored a run. at Illinois (3/29-30): Had two hits, including an RBI single, in the series opener…Collected two hits, including a double, and crossed the plate twice in the series finale. Northwestern (4/5-7): Collected four hits, six RBI and four runs in the series…Had three hits, including a double, and scored two runs in game two…Tallied six RBI, including a grand slam, and scored twice in game three. FDU (4/9): Recorded four hits, including a double, and three runs. at Indiana (4/12-14): Notched a solo homer and scored four runs in the first game of the series…Had two hits, including an RBI single, and scored a run in game two…Blasted a solo homer in game three. Kent State (4/16): Collected a double and two walks. At Michigan State (4/19-21): Had an RBI single and scored a run in game two…Drew two walks and scored a run in game three. Minnesota (4/26-28): Tallied five hits and four RBI in the series…Had a double among two hits in game one…Recorded an RBI single and scored a run in game two…Collected a solo homer and a two-run double, while scoring two runs, in game three. at West Virginia (5/8): Had a two-run double and scored a run. Rutgers (5/10-12): Recorded an RBI single in game one…Had a pair of RBI singles, including a walk-off in the ninth, in game three. at Maryland (5/16-17): Singled, scored a run and stole a base in the series opener…Tallied two singles and scored a run in game two. vs. Illinois (5/22): Doubled among two hits and scored three runs in the Big Ten Tournament opener. vs. Michigan (5/25): Launched a solo homer in the Big Ten Tournament semifinal.
BEFORE PSU
Played two seasons at North Carolina…Played in 24 games, making five starts…Tallied four hits, two RBI and a run in his UNC career…Added two walks and a hit-by-pitch…Went two-for-three against Pitt (3/13/22)…Collected a hit and a walk at Duke (3/19/22)…Had a hit against Gardner-Webb (5/10/22)…Drove in two runs against Radford (2/21/23).
HIGH SCHOOL
Was a three-year letterman at Plymouth Whitemarsh High School for head coach Chris Manero…Served as a team captain…Led Plymouth Whitemarsh to conference championships in 2019 and 2021…Was a three-time first-team All-Conference selection…Named 2021 Reporter/Times Herald/Montgomery Media Baseball Player of the Year…Was a two-time Rawlings-Perfect Game Preseason Underclass All-America honorable mention selection…Tabbed 2021 Rawlings-Perfect Game Preseason All-Northeast Region First Team…As a senior, batted .460 with nine homers…Rated as the No. 14 overall player and No. 1 shortstop in Pennsylvania in the 2021 class by Perfect Game…Played travel ball for Zoom Baseball Academy and 5-Star.
PERSONAL
Son of Mary Kate and Joe Jaconski…Has a brother, Jesse…Joe and Jesse played baseball together at North Carolina…Intends to major in communication sciences and disorders.