Spencer Horwitz Bio
Spencer Elliott Horwitz is an American professional baseball player who plays first base and second base for the Pittsburgh Pirates of Major League Baseball (MLB). He previously played in the major leagues for the Toronto Blue Jays after being selected in the 24th round of the 2019 MLB draft. Horwitz made his MLB debut in 2023 and has represented Team Israel in international competition. Known for his plate discipline and defensive versatility, he has built his career through steady advancement through the Blue Jays’ minor league system before emerging as a contributing major league player.
Born and raised in Maryland, Horwitz developed into a polished hitter during his college years at Radford University, where he earned multiple conference and national recognitions. His professional resume includes a 28-game hitting streak in the minors, an Arizona Fall League Rising Star selection, and recognition among the top first base prospects in baseball. The Pittsburgh Pirates acquired him in a multi-player trade in December 2024, marking the start of a new chapter in his career.
Early Life and Background
Spencer Elliott Horwitz was born on November 14, 1997, in Timonium, Maryland. He is the son of David and Laura Horwitz and has a brother named Ben. Growing up in the Baltimore suburbs, Horwitz was introduced to athletics at a young age and developed into a multi-sport competitor during his high school years.
Horwitz attended St. Paul’s School for Boys in Brooklandville, Maryland, where he played both baseball and hockey. In baseball, he was a 2016 Maryland Interscholastic Athletic Association (MIAA) First Team selection and earned MIAA All-Conference honors twice as a catcher. On the ice, he played as a defenseman and helped lead his high school hockey team to two state championships. Horwitz is Jewish, a heritage that later played a role in his international baseball career with Team Israel.
Path to Baseball
Horwitz played college baseball at Radford University, where he primarily manned first base and quickly established himself as a reliable offensive contributor. As a freshman in 2017, he batted .311 with a .384 on-base percentage and a .481 slugging percentage over 206 at bats, earning Big South Conference Second Team honors and Collegiate Baseball Freshman All-American recognition. In 2018, he posted a .288 batting average and drove in 43 runs, seventh-best in the conference, and was again named to the Big South Conference Second Team.
Following the 2018 college season, Horwitz played collegiate summer baseball with the Bourne Braves of the Cape Cod Baseball League, one of the most respected wooden-bat leagues in the country. In his junior year at Radford in 2019, he batted .268 with a .392 on-base percentage, hit 10 home runs, and drew a conference-leading 49 walks, earning Big South Conference Honorable Mention. His patience at the plate and steady defensive play at first base positioned him for the 2019 MLB draft.
Spencer Horwitz Career
Early Career (2019–2020)
The Toronto Blue Jays selected Spencer Elliott Horwitz in the 24th round of the 2019 Major League Baseball draft, and he signed for a $100,000 signing bonus. He began his professional career that summer, splitting time between the Rookie League Bluefield Blue Jays and the Low-A Vancouver Canadians. Across both levels, he batted a combined .307 with 4 home runs and 52 runs batted in, earning Appalachian League Post-Season All-Star honors. Horwitz did not play in 2020 after the Minor League Baseball season was cancelled because of the COVID-19 pandemic.
Minor League Rise (2021–2022)
Horwitz returned to action in 2021 and played for the High-A Vancouver Canadians and the Double-A New Hampshire Fisher Cats, posting a combined .294 batting average with 12 home runs and 66 runs batted in. He put together a 28-game hitting streak, breaking a 60-year-old Northwest League and High A-West League record, and was named the Northwest League’s 2021 Top MLB Prospect along with a Northwest League Post-Season All-Star selection. After the season, he played in the Arizona Fall League for the Mesa Solar Sox, where he batted .375 and was named an Arizona Fall League Rising Star. MLB.com ranked him as Toronto’s number 30 prospect.
In 2022, Horwitz opened the year with New Hampshire and was named Eastern League Player of the Week on June 13 before earning a promotion to Triple-A Buffalo. Across both levels, he batted .275 with 77 runs, 12 home runs, and 51 runs batted in, splitting his time between first base and left field. On November 15, 2022, the Blue Jays added him to their 40-man roster, and Baseball America named him the organization’s number 14 prospect heading into 2023.
Major League Debut and Blue Jays Tenure (2023–2024)
Following a strong start in Triple-A in 2023, Spencer Elliott Horwitz was promoted to the major leagues for the first time on June 16, 2023. He made his MLB debut on June 18, 2023, with the Blue Jays and collected his first major league hit off Texas Rangers pitcher Jon Gray. Later that season, he hit his first major-league home run, a solo shot, in a 7-5 win against the Colorado Rockies on September 3, 2023. In 39 at bats for Toronto, he hit .256 with a .341 on-base percentage and a .385 slugging percentage. In Triple-A, he batted .337 with a .450 on-base percentage and was voted the Buffalo Bisons’ 2023 team MVP, while also being named the International League’s top defensive infielder in a Baseball America poll.
Horwitz was optioned to Triple-A Buffalo to begin the 2024 season, where he batted .335 with a .456 on-base percentage and a .514 slugging percentage in 212 at bats. He was recalled by the Blue Jays on June 6, 2024, after the club designated Cavan Biggio for assignment. In 2024 for the Blue Jays, he batted .265 with 46 runs, 12 home runs, and 40 runs batted in over 328 at bats. Defensively, he split time between first base, second base, and designated hitter, and he ranked first in OPS and seventh in WAR among qualified American League rookies.
Pittsburgh Pirates Era (2025–Present)
On December 10, 2024, Spencer Elliott Horwitz was part of a multi-player trade sequence in which he was dealt alongside Nick Mitchell to the Cleveland Guardians in exchange for Andrés Giménez and Nick Sandlin. On the same day, the Guardians traded him to the Pittsburgh Pirates in exchange for Luis Ortiz, Michael Kennedy, and Josh Hartle. He missed spring training and the first 45 games of the 2025 season following thumb surgery to relieve right wrist pain. On July 23, 2025, Horwitz hit his first career grand slam off Troy Melton of the Detroit Tigers, a signature moment in his Pirates tenure.
Driving Style and Strengths
Spencer Elliott Horwitz is known for his plate discipline, drawing walks at a high rate and posting strong on-base percentages throughout his career. Defensively, he brings versatility, having logged meaningful innings at first base, second base, left field, and designated hitter at various levels. His combination of contact skills, patience, and positional flexibility has allowed him to fit into a variety of lineup configurations and defensive alignments.
Notable Events and Milestones
Among his career highlights, Horwitz set a Northwest League and High A-West League record with a 28-game hitting streak in 2021, was named an Arizona Fall League Rising Star that same year, and was voted the Buffalo Bisons’ 2023 team MVP. He represented Team Israel in the 2023 World Baseball Classic, where he played alongside former All-Star outfielder Joc Pederson and starting pitcher Dean Kremer. He also hit his first career grand slam as a member of the Pittsburgh Pirates on July 23, 2025.
Spencer Horwitz Career Wins
Spencer Elliott Horwitz has notched steady achievements across the minor and major leagues since being drafted in 2019. His most celebrated minor league seasons came in 2021 and 2022, when he earned multiple post-season All-Star selections and awards. At the major league level, his first full season of work came in 2024 with the Toronto Blue Jays, where he ranked among the top American League rookies in several offensive categories.
Minor League Highlights
Horwitz earned Appalachian League Post-Season All-Star honors in 2019, Northwest League Post-Season All-Star recognition and Northwest League Top MLB Prospect honors in 2021, and Arizona Fall League Rising Star honors that same fall. In 2022, he was named Eastern League Player of the Week in mid-June before earning a promotion to Triple-A Buffalo.
Other Wins and Performances
On the international stage, Horwitz represented Team Israel at the 2023 World Baseball Classic under manager Ian Kinsler. He also earned a spot on MLB Pipeline’s Top 10 First Base Prospects list at number 9 in January 2024 and was named the number 14 prospect in the Toronto system by Baseball America heading into 2023.
Spencer Horwitz Family
Family Background and Baseball Lineage
Spencer Elliott Horwitz is the son of David and Laura Horwitz, and he has a brother, Ben. His family supported his multi-sport development during his high school years at St. Paul’s School for Boys in Maryland. While the family does not have a documented professional baseball lineage, his parents backed his athletic path from youth sports through college.
Personal Life
Horwitz is Jewish and has represented that heritage as a member of Team Israel during the 2023 World Baseball Classic. Public details about his personal life, including marital status and children, have not been widely reported.
2025 Season Performance
Spencer Elliott Horwitz’s 2025 season with the Pittsburgh Pirates began later than expected after he underwent thumb surgery to address right wrist pain, causing him to miss spring training and the first 45 games of the year. Once healthy, he rejoined the Pirates’ lineup and continued to work as a versatile corner infielder and designated hitter. A bright spot came on July 23, 2025, when he hit his first career grand slam off Troy Melton of the Detroit Tigers, signaling that his bat was rounding back into form.
As the 2025 season progresses, Horwitz’s role with the Pirates centers on providing on-base skills, lineup flexibility, and defensive coverage at first and second base. His track record of strong minor league on-base percentages and his 2024 rookie-season rankings suggest he can be a steady offensive contributor when fully healthy. Continued production and defensive consistency will be key factors in establishing his long-term role with the franchise.