University of the Pacific

2022 (Redshirt-Senior) – A two-way player, she appeared in the circle 23 times while also tallying a .250 batting average in 60 at-bats. Tallied a career-high four hits in a win over Santa Clara on April 9. Finished the season with career-highs in hits (15), RBI (eight), and doubles (four). In the circle, she tallied a 4.37 earned-run average, ranking third-best on the team. Recorded a career-high 42 strikeouts and struck out a season-high seven batters in the win over Idaho State on March 4.

2021 (Redshirt-Junior) – Accumulated a 2.98 earned-run average in 12 appearances in the circle. Was second on the team with 37 strikeouts in 58.2 innings pitched. Held opponents to a .241 batting average and tallied a 1.43 WHIP. Pitched seven innings against Loyola Marymount on April 24 and tallied a season-high seven strikeouts. 

2020 (Redshirt-Sophomore) – Led the West Coast Conference with a 1.14 ERA in 11 appearances and five starts with a 4-1 record. Tossed 43.0 innings, allowing just eight runs and 16 walks to 32 strikeouts. Held opponents to a .179 batting average and tallied a 1.00 WHIP. Earned Pacific's second WCC Pitcher of the Week honors in three weeks on March 9 after going 13.0 innings at the Wolf Pack Classic in Reno, not allowing a run with eight strikeouts in two appearances. 

2019 (Sophomore) – Made three starts and 11 appearances in the circle in her second season. Struck out 16 batters and pitched a total of 29.0 innings before being sidelined with a wrist injury. Garnered her first victory of the season against Idaho State (2/9) following a complete-game performance. 

2018 (Freshman) – Made three starts and 20 appearances in the circle for the Tigers as a freshman. Pitched 60.0 total innings with 53 strikeouts and an ERA of 3.38 (both second on the team). In conference, Hammer went 16.1 innings, allowing just five earned runs while holding an ERA of 2.14. Grabbed her first win in her first start against CSU Bakersfield (2/17), pitching 6.0 shutout innings with four hits allowed and four strikeouts in a 6-0 victory over the Roadrunners. Registered a strikeout in all but one of her 20 appearances for the Orange and Black, including a season-high seven strikeouts twice against UConn (3/9) and at CSUN (3/24). 

High School – A four-year varsity player at Union Mine High School in El Dorado, Hammer led the Diamondbacks to consecutive first-place finishes in the Sierra Valley Conference in 2015 and 2016. In addition to leading UMHS to a perfect 15-0 league record her junior season, she tossed five no-hitters to earn team and league MVP honors. Hammer accumulated a dominant 46-12 record in her final three seasons in the circle with a 0.83 ERA and 410 strikeouts.