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Stony Brook University Athletics

Stony Brook Seawolves

2025 Softball Roster

8 Alyssa Costello

  • Class Senior
  • Position IF/OF
  • B/T L/R
  • Height 5-8
  • Hometown Lanoka Harbor, N.J.
  • High School Marine Academy of Technology and Environmental Science
  • Major Biochemistry

Biography

2025 (Senior): NFCA Northeast All-Region First Team… All-CAA First Team… CAA Player of the Week (Apr. 14)… CSC Academic All-District… Started all 50 games this season… Finished second on the team and fourth in the CAA with a .419 batting average, the sixth highest ever by a Seawolf in a single season… Led the team and finished third in the conference with a 1.181 OPS… Posted the best slash line of her career at .419/.491/.684… Paced the team and finished top 10 in the CAA with seven home runs, 65 hits, 36 RBIs, a career-high 42 runs scored, and a career-high 14 doubles… Her 14 doubles were the fifth most in a single season in program history, while her 65 hits were the eighth most in team history… Led Stony Brook with a career-best 23 walks… Tied for the team lead in stolen bases with nine on 11 attempts… Had 21 multi-hit games, posting four in a row from April 9-13… Hit multiple extra-base hits in four games… Had two triples and a double in a 3-for-3 game against Monmouth (Apr. 13)… Had eight multi-RBI games, driving in a career-high six in her first ever multi-home run game against Drexel (May 1)… Drove in four runs against Campbell (May 7) in the first round of the CAA tournament with a grand slam… Also had 11 games with multiple runs scored… Recorded at least five hits and five RBIs in three separate series… Owned a 24-game hitting streak from March 28 - May 7 which increased her batting average over 100 points from .329 to .430… Reached base in 25 straight games from March 25 - May 7… Broke into the top 10 in program history in eight career stats: average (.378, fifth), hits (214, seventh), singles (142, sixth), doubles (43, fifth), triples (eight, fourth), total bases (336, eighth), RBIs (124, seventh), and runs (139, third).

2024 (Junior): All-CAA Second Team… Played in and started 50 contests… Hit .313 (45-for-144) with a .398 on-base percentage… Tallied seven doubles, three triples and two home runs… Registered 24 RBIs and scored 34 runs… Drew 17 walks and was 11-for-11 on stolen base attempts… Finished with 13 multi-hit efforts, including four-hit performance in road victory over George Mason (March 2)… Notched three hits in wins over Sacred Heart (Apr. 9) and Drexel (Apr. 21)… Posted multiple RBIs in six contests… Registered a season-high three runs scored and three RBIs during series with Elon (Apr. 26).

2023 (Sophomore): NFCA Northeast All-Region First Team (first since Bria Green in 2015)… All-CAA First Team… All-CAA Tournament Team… CAA Commissioner's Honor Roll… Appeared in 52 games, making 49 starts during her sophomore campaign… Hit .401 (66-for-165) with a .429 on-base percentage… Registered 13 doubles, two triples, eight home runs, 36 RBIs, 36 runs scored, eight walks, and seven stolen-bases… 68 hits were the fourth most in program history… .405 average was the sixth-best by any player in any season in program history… Had .987 fielding percentage… Team-high 19 multi-hit games and 11 multi-RBI outings… Led the team in average, slugging percentage, runs, RBIs, doubles, and total-bases… Tied for team-high in hits… Second on the team in triples and stolen-bases… Tied for second on the team in home runs… Led the CAA in batting average, second in hits and slugging percentage, third in RBIs and doubles, and fourth in runs scored and home runs… Began her season with a 3-for-4 outing with three RBI, two runs scored and double against Bethune-Cookman on Feb. 11… Launched her first home run of the season in the victory over CCSU on Feb. 26… Had a 2-for-3 day with team-high five RBIs, double, home run, and stolen-base in the win at Drexel on March 26… Had a 5-for-10 series against Hampton with four runs scored, five RBIs, two home runs, and double to lead to the sweep from April 22-23… Went 7-for-13 in the series against Towson with three doubles, three runs scored, and a triple from April 29 - April 30 to earn CAA Player of the Week on May 1… Collected six hits in the series finale against Monmouth with four runs scored and two doubles… Recorded a hit in every game of the CAA Tournament… Registered a 2-for-3 day with a double and an RBI in the CAA Tournament victory over Charleston on May 9… Went a perfect 4-for-4 with four runs scored, two doubles, and a home run in the win over UNCW in the CAA Tournment on May 11… Produced a 3-for-5 day with an RBI in the season-finale against Hofstra in the CAA Tournament… Set the CAA Tournament record for hits, totaling 12 over six games this week… Hit .571 (12-for-21) for the tournament, matching the tournament record with eight runs scored while adding four RBIs… Ended her season with a 24-game hitting streak, longest on team and in the CAA.

2022 (Freshman): American East All-Conference Second Team... American East All-Rookie Team… Appeared in 36 games with 31 starts… Ranked first in the American East in hitting, fifth in slugging, third in on-base percentage, fourth in OPS, sixth in runs scored, 14th in hits, sixth in RBIs, tied for 12th in doubles, tied for 12th in home runs, and tied for 13th in stolen bases… Made first collegiate start at USF on March 12… Registered first career hit and run scored in the victory vs Army on March 13… Blasted first career home run and had four RBIs in her 2-4 performance vs Fairfield (Mar. 19) and followed later that day with a 1-3 game with another home run and two RBIs vs. Drexel… Led the squad to a victory at Hofstra on March 22 after going 3-4 with a home run and four RBIs… Had a team season-high five hits, going a perfect 5-5 with two stolen-bases, two doubles, three RBIs and scored twice at Fairfield on 3/26… Hit a go-ahead three-run home run vs Maine on April 2… Finished the afternoon victory vs Hofstra with three RBIs and two hits on April 28.

AT MARINE ACADEMY OF TECHNOLOGY AND ENVIRONMENTAL SCIENCE: Four year varsity memberSoftball and field hockey captain2018 Lacey Rookie of the YearSecond team Press of Atlantic City All-Star TeamTwo time second team NJ.com (2018,2019)2019 Jersey Sports Zone Spring All-Star2021 Senior All-Star Team South2021 Shore Sports Network Sportsmanship AwardLacey MVP AwardLacey Academic AwardLacey Golden Bat AwardFirst team all-stateFirst team NJ Group 3Second team All Shore… Holds record for most triples in a season and most runs scored in a a seasonMember of the National Honor Society, Spanish Club, and Key ClubParticipated in Project Terrapin Outreach and Research Assistance and DevelopmentPlaced second at the Jersey Shore Science Fair in 2018.

PERSONAL: Daughter of Dawn and John… Has one brother, Colin… Has collected research on New Jersey marshes.

Statistics

Season Statistics

Season Statistics

No statistics available for this season.

Career Statistics

There are no statistics available for this player.

Historical Player Information

  • 8

    2022Freshman

    Infielder/Outfielder
    5'8"
    8
  • 8

    2023Sophomore

    Infielder/Outfielder
    5'8"
    8
  • 8

    2024Junior

    Infielder/Outfielder
    5'8"
    8
  • 8

    2025Senior

    Infielder/Outfielder
    5'8"
    8
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