Kathryn Sandercock

Kathryn Jeanne Sandercock (born August 1, 2000) is an American professional softball player for the Chicago Bandits of the Athletes Unlimited Softball League (AUSL). She previously played for the SGH Galaxy Stars of the Japan Diamond Softball League. She played college softball at Florida State.

High school career Sandercock attended Bishop O'Connell High School in Arlington County, Virginia.During her junior year in 2017, she posted a 26–0 record, with a 0.09 earned run average (ERA) and 330 strikeouts in 151 innings pitched, allowing 35 hits and 19 walks. Offensively she hit .471 with 10 doubles, eight home runs, seven triples and 57 RBI. Following the season she was named the Virginia Gatorade Player of the Year. She was also named the Washington Catholic Athletic Conference Player of the Year.

College career Leach began her collegiate career for Florida State in 2019. During her freshman year she appeared in 32 games, with 11 starts, and posted a 13–0 record, with a 1.99 ERA, and one save in innings. During the 2020 season, in her sophomore year, she posted a 9–1 record with a 2.82 ERA, 35 strikeouts and two saves in innings, in a season that was shortened due to the COVID-19 pandemic. She helped lead the Seminoles to a runner-up finish at the 2021 Women's College World Series, losing to Oklahoma. During the World Series, she allowed 28 hits and nine earned runs with 22 strikeouts in innings. During the 2022 ACC tournament she earned all three wins for the Seminoles as they won their 18th ACC tournament championship.

During the 2023 season, as a graduate student, she appeared in 48 games with 25 starts, and posted a 28–4 record with a 1.44 ERA, 119 strikeouts, and ten saves in innings. Following the season she was named ACC Pitcher of the Year, and a first-team All-ACC selection for the third consecutive season. She became the fourth Seminole to reach 100 career wins. During the 2023 ACC tournament she earned all three wins for the Seminoles as they won their 19th ACC tournament championship, and was named tournament MVP. On May 21, 2023, during the Tallahassee Regional of the 2023 NCAA tournament against South Carolina she pitched a perfect game to help Florida State advance to the Super Regionals. This was the 15th perfect game in program history, and Florida State's first perfect game during the NCAA Division I softball tournament.

She finished her collegiate career with a 107–12 record, a 1.44 ERA and 489 strikeouts in 718 innings. She is the program's all-time leader in appearances (184), career saves (18), and single-season saves (10).

Professional career On April 17, 2023, Sandercock was drafted in the second round, sixth overall, by the Texas Smoke in the 2023 WPF college draft. However, she didn't join the Smoke, and instead signed with the SGH Galaxy Stars of the Japan Diamond Softball League. During the 2024 season, she posted a 1.41 ERA and 46 strikeouts in innings.

International career On August 31, 2023, she was named to the United States women's national softball team for the 2023 Pan American Games. During the tournament she had a 3.15 ERA and five strikeouts in innings and won a gold medal.