Married his wife, Chloe, in January 2024...Before signing with the Orioles, committed to Oklahoma State University...Father is Matt Holliday, 15-year MLB veteran and seven-time All-Star...Brother, Ethan, is a left-handed hitting shortstop and is ranked as the top prospect in the class of 2025, according to Baseball America...Participated in the 2023 Orioles Health and Fitness Challenge at Sarasota Middle School...Uncle is Josh Holliday, the head coach of the Oklahoma State Cowboys baseball team. Jackson was committed to OSU before signing with the O's...Graduated from Stillwater (Okla.) HS...Hit .685/.749/1.392 (89-for-130) with 29 doubles, six triples, 17 home runs, 74 runs scored, 79 RBI and 30 stolen bases in 40 games during his senior season in 2022 at Stillwater (Okla.) HS... Was named a Preseason Second-Team All-American by Baseball America and Perfect Game before the year...The 89 hits set a national high school record for hits in a single season, surpassing the previous record of 88 set by J.T. Realmuto in 2010...Selected as the Gatorade Oklahoma Baseball Player of the Year and Baseball America’s High School Player of the Year...Named the top player in Oklahoma by Perfect Game, No. 2 overall draft prospect by MLB Pipeline, and No. 3 prospect by Baseball America...Hit .500 (62-for-124) with 16 doubles, six triples, six home runs, 54 runs scored, 57 RBI and 19 stolen bases in 37 games as a junior and was named to USA Baseball’s 18U National Team...Batted .318 (7-for-22) with four doubles, one triple, 10 runs scored, nine RBI and six stolen bases in his pandemic-shortened sophomore season in 2020...Hit .342 (38-for-111) with 11 doubles, two triples, one home run, 28 runs scored, 35 RBI and nine stolen bases as a freshman.
2023
Spent the year with four teams, opening the year with Single-A Delmarva and ending it with Triple-A Norfolk...Combined to slash .323/.442/.499 (154-for-477) with 30 doubles, nine triples, 12 home runs, 113 runs scored, 75 RBI, 101 walks (2 IBB), two hit-by-pitches and 24 stolen bases in 125 Minor League games...Named Baseball America Minor League Player of the Year, the second straight season an Oriole has won the award (Gunnar Henderson, 2022); also won USA TODAY Sports' Minor League Player of the Year...Selected as the Orioles' Brooks Robinson Minor League Player of the Year...Tabbed by Minor League Baseball as the Hitting Prospect of the Year, the second straight season an Oriole has won the award (Gunnar Henderson, 2022)...Led all minor leaguers in runs scored, becoming the first O's farmhand to accomplish the feat since at least 2005; also ranked among qualified full-season minor leaguers in on-base percentage (fifth), and walks (T-5th)...Led the organization in batting average, on-base percentage, runs, triples and walks while ranking among the leaders in hits (second), OPS (third, .941), slugging percentage (fourth), total bases (fourth, 238) and doubles (T-4th)...Earned Carolina League Player of the Week on 4/24; hit .455/.571/.773 (10-for-22) with one double, two homers, eight runs scored, seven RBI, six walks and one stolen base in six games during the period...Selected as SAL Player of the Week on 5/22; slashed .619/.667/1.333 (13-for-21) with three doubles, three triples, two home runs, nine runs scored, 14 RBI, three walks and two stolen bases in five games during the week...Named South Atlantic League and Orioles Minor League Hitter of the Month in May; batted .441/.542/.780 (26-for-59) with five doubles, three triples, three homers, 18 runs scored, 18 RBI, 13 walks and seven stolen bases in 16 games; led all Minor Leaguers in on-base percentage during the month...Participated in the SiriusXM All-Star Futures Game at T-Mobile Park in Seattle...Promoted to Double-A Bowie on 7/14 and Triple-A Norfolk on 9/5...Appeared in all four Postseason games with the Tides, going 3-for-17 with a double, a homer, one run scored, one RBI, and two walks...Finished the season ranked the No. 1 overall prospect by MLB Pipeline and Baseball America after entering the season as the No. 12 prospect by MLB Pipeline and No. 15 by Baseball America.
2022
Became the third No. 1 overall selection in Orioles history, joining C Adley Rutschman (2019) and RHP Ben McDonald (1989)...Became the first high schooler taken by the Orioles in the first round since RHP Grayson Rodriguez (No. 11 overall) in 2018 and the first high school position player taken by the O's in the first round since INF Ryan Mountcastle (No. 36 overall) in 2015...Signed with the O's on 7/27 and made his professional debut with the FCL Orioles on 8/10 at FCL Braves...Hit his first professional home run on 8/19 (G1) at FCL Pirates...Promoted to Low-A Delmarva on 8/24 and made his full-season debut with the Shorebirds on 8/25 vs. Lynchburg, going 1-for-4 with a double, two RBI and a walk...Tallied his first professional three-hit game on 9/7 vs. Down East, going 3-for-4 with a pair of doubles, one RBI, and one walk...Hit .297/.489/.422 (19-for-64) with five doubles, one home run, 14 runs scored, nine RBI and four stolen bases in 20 combined games with Delmarva (12 G) and the FCL Orioles (8 G); walked twice as often as he struck out (25 BB/12 K)...Between the Shorebirds and FCL Orioles, made 14 starts at shortstop, five at second base and one as the designated hitter...Enters the 2023 season ranked as the No. 3 Orioles prospect by Baseball America and MLB Pipeline; ranked as the No. 12 overall prospect by MLB Pipeline and No. 15 overall by Baseball America...Hit .685/.749/1.392 (89-for-130) with 29 doubles, six triples, 17 home runs, 74 runs scored, 79 RBI and 30 stolen bases in 40 games during his senior season at Stillwater (OK) HS and was named a Preseason Second-Team All-American by Baseball America and Perfect Game before the year...The 89 hits set a national high school record for hits in a single season, surpassing the previous record of 88 set by J.T. Realmuto in 2010...Selected as the Gatorade Oklahoma Baseball Player of the Year and Baseball America’s High School Player of the Year...Named the top player in Oklahoma by Perfect Game, No. 2 overall draft prospect by MLB Pipeline and No. 3 prospect by Baseball America.
2021
Hit .500 (62-for-124) with 16 doubles, six triples, six home runs, 54 runs scored, 57 RBI and 19 stolen bases in 37 games as a junior and was named to USA Baseball’s 18U National Team.
2020
Batted .318 (7-for-22) with four doubles, one triple, 10 runs scored, nine RBI and six stolen bases in his pandemic-shortened sophomore season in 2020.
2019
Hit .342 (38-for-111) with 11 doubles, two triples, one home run, 28 runs scored, 35 RBI and nine stolen bases as a freshman.