Personal: Allchin is the daughter of Kenny and Jennifer Villalobos. She has two siblings. Her mother, Jennifer, played softball at Cypress College, while her father, Kenny, played football at the University of San Diego. Allchin was named assistant softball coach at Michigan State University on January 13, 2025. Her hobbies include spending time with friends and family, traveling, building Legos, solving puzzles, and reading. She also enjoys playing cards, watching horror movies and TV shows, and spending time at the beach. Allchin’s nicknames are Jay and Jax. She has a cat named Sherlock. Allchin credits UCLA assistant coach Lisa Fernandez as someone who has made a significant difference in her life. As a child, she competed in several sports, including swimming, soccer, volleyball, basketball, and track and field. She also participated in ceramics. Among her proudest accomplishments are competing in the NCAA Women’s College World Series in back-to-back years and her first year as a coach. Additionally, Allchin knows American Sign Language.
2025 AUSL All-Star Cup: Allchin accrued 586 leaderboard points in the 2025 AUSL All-Star Cup, including 500 win points and 86 stat points. She held a share of sixth place among all hitters with a .333 batting average and tied for fifth in the league for being hit by a pitch twice. Allchin recorded five of her seven hits during Series Four, including two multi-hit outings. She collected a season-high 148 leaderboard points after going 2-for-4 with a run scored against Team Kowalik on August 30 and contributed two hits against Team Coffel on August 29.
2025 AUSL Regular Season: Allchin was a starter in 17 of 21 games over two stints with the Talons after being selected from the Reserve Athlete Pool. She earned a spot on the AUSL All-Defensive Team and ranked as the sixth-leading hitter in the AUSL with a .380 batting average. Allchin tallied 19 hits, including one double and three home runs, while driving in nine runs. She tied for sixth in the league with 16 runs scored and shared the league lead with eight stolen bases in eight attempts. She also ranked seventh in the AUSL with a 1.063 OPS mark and registered seven multi-hit games. Notable performances included going 2-for-3 with a run scored in back-to-back games against the Bandits on June 18-19, posting a 2-for-4 effort with three RBIs against the Volts on June 23, contributing a 2-for-3 performance with two runs scored against the Blaze on July 7, hitting a solo home run against the Volts on July 8, and belting a two-run home run against the Bandits on July 11.
2024 Championship Season: During her second Athletes Unlimited season, Allchin accumulated 810 leaderboard points, including 760 win points. She appeared in 11 games, with six of those being starts. Allchin tallied four hits in 21 at-bats. She collected two hits and a season-high 130 leaderboard points against Team McQuillin on August 3. Additionally, Allchin registered a hit in both the Week One finale against Team Denham and the Week Two finale against Team Lorenz. She also posted five games with 100 or more leaderboard points.
2024 AUX Season: Allchin collected 878 leaderboard points, including 780 win points, while making her professional debut. She tied for seventh in the league with 480 inning win points and posted five games with 100 or more leaderboard points. Allchin earned the Defensive MVP laurels and achieved a season-high of 130 leaderboard points on June 13 against Team Warren. During her rookie campaign, she appeared in 11 games with six starts, authoring a .292 batting average with seven hits while scoring four runs. Allchin hit safely in four consecutive games from June 11-16 and notched the first multi-hit game of her professional career against Team Nickles in the season finale.
International Experience: Allchin led Team USA to a Gold medal at the 2019 WBSC U-19 Women’s Softball World Cup. She hit .421 (8-for-19) with three home runs, nine runs batted in, and nine runs scored. She also earned a Bronze medal at the 2019 USA Softball International Cup after going 6-for-28 with two home runs and six runs batted in.
College Experience: Allchin was a four-year letter winner at Washington before completing her career at UCLA during the 2024 campaign. She appeared in 216 career games with 178 starts and finished her career with a .289 batting average, along with 26 home runs and 103 runs batted in. Allchin totaled 149 hits in five seasons, including 20 doubles and seven triples, and also scored 120 runs, including a career-best 40 runs during her lone season at UCLA. Allchin was a Second-Team All-Pac-12 Conference performer as a graduate student with the Bruins, where she ranked fourth on the team with a career-high .317 batting average. She belted five home runs with 33 runs batted in while starting all 55 contests. Allchin also earned a spot on SportsCenter’s Top 10 Plays for a diving catch in left field against Georgia during NCAA Super Regionals. She notched 11 multi-hit outings with the Bruins, including a trio of three-hit affairs. Allchin posted the Bruins’ longest hitting streak of the season with a 10-game run from April 23 to May 10, 2024, during which she tallied 13 hits with eight runs batted in. She had a .275 batting average with 70 runs batted in over four seasons at Washington, starting at least 25 games in each of her four seasons with the Huskies. She collected 96 hits, including 15 doubles, four triples, and 21 home runs. During her senior season with the Huskies, Allchin saw action in 44 games with 25 starts, posting a .289 batting average with six home runs, including three pinch-hit blasts, and 19 runs batted in. She hit a home run in back-to-back games during the NCAA Regional against Northern Colorado and McNeese State. Allchin earned a starting assignment in 35 of 50 contests during her junior season with the Huskies, recording 19 hits, including seven home runs, while driving in 18 runs. Allchin earned Pac-12 All-Freshman Team distinction in 2021 after notching a .301 average with six home runs and 24 runs batted in. She started 38 of 42 outings for the Huskies and went 4-for-4 with two home runs and six runs batted in against Utah Valley on February 21, 2021. She just missed hitting for the cycle against No. 14 Arizona State on March 14, 2021, after tallying a single, a double, and a grand slam. Allchin opened her college career by starting all 25 games during the COVID-shortened 2020 season. She hit safely in the first five games of her career, en route to a .294 average with two home runs and nine runs batted in.
