2018: Pitched a scoreless inning Feb. 24 against Bucknell for his first save of the season ... Also earned saves versus Miami (March 16 & 17), Pittsburgh (March 25) and Notre Dame (March 31) ... Ranks tied for first in school history with 13 career saves ... Started every game at third base ... Homered March 2 versus Cornell, March 13 against Yale, March 17 versus Miami and March 31 against Notre Dame ... Rated No. 29 on Perfect Game's list of Top 50 College Seniors.
2017: Played in 57 of Duke's 58 games ... Started 52 games at third base and five as designated hitter ... Hit .275 with 17 doubles, two triples and six home runs ... Posted a .389 (21-54) batting average against left-handed pitching ... Drove in 43 RBI and scored 33 runs ... Slugged .464 and registered a .399 on base percentage ... Drew 37 walks ... Tied for the team lead with 17 doubles ... Belted two long balls at Virginia March 24 ... Also homered against Army West Point (Feb. 24), Wake Forest (Mar. 17), North Carolina A&T (March 29) and North Carolina (May 20) ... Committed eight errors in 154 chances for a .948 fielding percentage ... Served as the team's closer, appearing in 23 games out of the bullpen ... Totaled seven saves, a 4.50 ERA and 24 strikeouts in 34.0 innings ...Walked just six batters ... Tabbed the No. 38 ACC prospect in the 2017 draft class by D1Baseball.com ... Labelled D1Baseball.com's No. 8 third baseman in the publications preseason position power rankings.
2016: Second team All-ACC selection ... Semifinalist for the Gregg Olson Award, given annually to college baseball's breakout player of the year ... Named to the All-All Academic Team ... Started all 57 games ... Started 42 games at third base, 10 at first base, four at designated hitter and one on the mound ... Registered a .282 batting average, .395 on base percentage and .518 slugging percentage ... Emerged as one of Duke's top hitters, leading the team in on base percentage (.421), runs (38), RBI (47), home runs (8), total bases (100), walks (32) and times hit by pitch (14) ... Finished the season ranked tied for 12th in the ACC in doubles (18), fourth in times hit by pitch (14), tied for 19th in RBI (47) and 20th in slugging percentage (.518) ... Posted a .341 (14-for-41) versus left-handers ... Owned a .440 (22-for-50) batting average when hitting leadoff ... Led the team with 12 multiple RBI games ... Turned in a monster game April 2 at Georgia Tech, going 4-for-5 with two homers, a double, eight RBI and three runs scored ... Registered an 11-game hit streak from May 1 to May 24 ... Ranked third on the team with 24 relief appearances ... Posted a 2.20 ERA, allowing eight earned runs over 32.2 innings ... Struck out 33 batters and walked eight ... Owned a 4.1 strikeout-to-walk ratio ... Picked up his first career save May 20 at Pitt, recording the final seven outs to help Duke clinch a spot in the 2016 ACC Tournament.
2015: Played in 43 games with 32 starts … Started 24 games at third base, four as the designated hitter and four on the mound … Batted .265 (26-for-98) with three doubles and nine RBI … Scored 17 runs, drew nine walks and was hit by a pitch three times … Registered a .296 slugging percentage and .339 on-base percentage … Recorded multiple hits six times and multiple RBI twice … Made his collegiate debut in the season opener Feb. 13 at California, starting at third base … Singled in the fourth inning for his first career hit … The only Blue Devil to total four hits in a game in 2015, going 4-for-5 with two runs scored and an RBI Feb. 25 against N.C. Central … In 11 appearances on the mound, went 3-0 with a 2.88 ERA … Permitted eight earned run on 22 hits over 25.0 innings … Struck out 17 batters and walked five … Made his pitching debut Feb. 21 against Delaware State and garnered his first career win … Made his first start on the mound March 10 versus Yale and pitched three scoreless innings in the no decision … Also picked up wins against Virginia and Longwood … Played for the Glacier Pilots of the Alaskan Baseball League over the summer.
High School: Three-year letterwinner at Clovis North High School in Fresno, Calif. … Three-time all-league selection … Earned second team all-state honors as a sophomore and first team accolades as a junior and senior … One of seven finalists for the Cal-Hi Sports Mr. Baseball State Baseball Player of the Year award … As a senior, hit .376 while posting a 10-2 record and 1.45 ERA on the mound … Led the Broncos to a 27-6 record and their first CIF Central Section Division I title as a junior … Registered a .437 batting average his junior year, totaling eight doubles and three home runs … Also went 11-0 on the mound with a 0.81 ERA and 81 strikeouts … Named Tri-River Athletic Conference co-Player of the Year …Member of the Fellowship of Christian Athletes.
Personal: Born Jack Mitchell Labosky on July 19, 1996 in Clovis, Calif. … The son of Vince and Kim Labosky … Has an older brother (Landon) and a younger brother (Hayden) … Both parents were members of the Kansas track and field team from 1986-1991 ... Majoring in history with a law and governance concentration while minoring in political science and pursuing a certificate in markets and management studies.