Mason Black

Player Information

Mason Peter Black is an American professional baseball pitcher for the Kansas City Royals of Major League Baseball (MLB). He has previously played in MLB for the San Francisco Giants. Black grew up in Archbald, Pennsylvania, and attended Valley View High School, where he had a standout performance before going on to play college baseball at Lehigh University, contributing significantly to his team's success.
Birthdate:
10 December 1999
Full Name:
Mason Peter Black
Birthplace:
Archbald, Pennsylvania, USA
Nationality:
United States
Gender:
Male
Education:
Valley View High School (High School), Lehigh University (College)
Career Started:
2024
Current Team:
Draft Year:
2021
Drafted By:
San Francisco Giants
Previous Teams:
San Francisco Giants (From 2024, To 2025)
Player Active:
From - 2024, To - Present

Mason Black Bio

Mason Peter Black is an American professional baseball pitcher for the Kansas City Royals of Major League Baseball (MLB). A right-handed starter, he previously pitched in the majors for the San Francisco Giants. He was selected by the Giants in the 2021 MLB Draft after a standout college career at Lehigh University and developed through San Francisco’s minor league system before reaching the big leagues in 2024.

Early Life and Background

Mason Peter Black was born on December 10, 1999, in Archbald, Pennsylvania. He grew up in the small Lackawanna County community, where baseball was a year-round focus for many local families. Black attended Valley View High School, where he became one of the most visible pitchers in the program.

In his final high school seasons, Black posted a 12–5 win–loss record and a 1.19 earned run average (ERA) with 123 strikeouts, drawing attention from college recruiters across the Northeast. His combination of size, command, and strike-throwing set him apart, and he committed to Lehigh University in Bethlehem, Pennsylvania, where he would spend three seasons refining his game and earning national recognition.

Path to Baseball

Black joined the Lehigh Mountain Hawks and quickly became a key piece of the starting rotation. After his freshman year in 2019, he played collegiate summer baseball for the Brewster Whitecaps of the Cape Cod Baseball League and was named a league all-star. He went 1–2 with a 3.68 ERA in four starts before the 2020 season was cut short due to the coronavirus pandemic, and he spent that summer pitching for the Boca Raton Blazers of the South Florida Collegiate Baseball League.

As a junior in 2021, Black was named the Patriot League Pitcher of the Year after going 7–3 with a 3.11 ERA and 95 strikeouts in 72 and one-third innings pitched. That performance elevated his draft stock and led the San Francisco Giants to select him in the third round, with the 85th overall pick, of the 2021 Major League Baseball draft.

Mason Black Career

Early Career (2022–2023)

Black was assigned to the San Jose Giants of the Low-A California League to begin the 2022 season. Between San Jose and the High-A Eugene Emeralds, he went 6–4 with a 3.21 ERA in 24 starts over 112 innings, striking out 136 batters. His strong first full professional season earned him an MiLB Organization All-Star nod.

In 2023, Black split the year between the Double-A Richmond Flying Squirrels and Triple-A Sacramento River Cats. Across 29 starts for the two affiliates, he posted a combined 4–9 record and 3.71 ERA with 155 strikeouts in 123 and two-thirds innings. The workload cemented his status as a top pitching prospect within the Giants organization.

San Francisco Giants Breakthrough (2024–2025)

On May 6, 2024, Black was added to the 40-man roster and promoted to the majors for the first time. He made his debut that same day as the Giants’ starter against the Philadelphia Phillies, taking a loss after allowing eight hits and five earned runs with four strikeouts in four and one-third innings in a 6–1 defeat. Despite the rough beginning, his fastball and slider combination flashed major league quality.

Black earned his first MLB win on September 20, 2024, when he pitched five and two-thirds innings of scoreless ball in a 2–1 victory over the Kansas City Royals at Kauffman Stadium. In 9 games and 8 starts for San Francisco, however, he finished 1–5 with a 6.44 ERA and 31 strikeouts across 36 and one-third innings. He was optioned to the Triple-A Sacramento River Cats to begin 2025, made one appearance for the Giants during the season, and was designated for assignment on November 6, 2025.

Kansas City Royals Era (2026–Present)

On November 11, 2025, Black was traded to the Kansas City Royals in exchange for Logan Martin, giving him a fresh opportunity in a new organization. He was optioned to the Triple-A Omaha Storm Chasers to open the 2026 season as the Royals mapped out his development path.

Through the early months of his Royals tenure, Black has continued to build innings and refine his arsenal at the Triple-A level. His mix of mid-90s velocity, a sharp breaking ball, and a developing changeup has been a focus for Kansas City’s pitching coaches as they evaluate his long-term role in the rotation.

Driving Style and Strengths

Black is a power pitcher who relies on a heavy four-seam fastball that generates swings and misses at the top of the zone. He pairs that heater with a swing-and-miss slider and an improving changeup, and his sturdy frame allows him to maintain velocity deep into starts. He works aggressively in the strike zone, trusts his defense, and has shown he can miss bats at every level of professional baseball.

Notable Events and Milestones

Highlights of Black’s career include being named the 2021 Patriot League Pitcher of the Year at Lehigh, an MiLB Organization All-Star selection in 2022, his MLB debut on May 6, 2024, and his first major league win on September 20, 2024, against the Kansas City Royals at Kauffman Stadium.

Mason Black Career Highlights

Black’s professional resume is built on steady development through the San Francisco and Kansas City farm systems, with each stop reinforcing his reputation as a strikeout-oriented starter. His college awards and minor league totals point to a pitcher who has consistently missed bats while continuing to refine his command.

Major League Highlights

In 9 games and 8 starts for the San Francisco Giants in 2024, Black went 1–5 with a 6.44 ERA and 31 strikeouts across 36 and one-third innings. He made one appearance for the Giants in 2025, allowing five runs with five strikeouts over four innings, before being designated for assignment. He was then traded to the Kansas City Royals on November 11, 2025, in exchange for Logan Martin.

Other Wins and Performances

At the minor league level, Black went 6–4 with a 3.21 ERA and 136 strikeouts in 24 starts between San Jose and Eugene in 2022, and 4–9 with a 3.71 ERA and 155 strikeouts in 29 starts between Richmond and Sacramento in 2023. He was named the 2021 Patriot League Pitcher of the Year at Lehigh and a Cape Cod League all-star in 2019.

Mason Black Family

Family Background and Roots

Black was raised in Archbald, Pennsylvania, a small community in the Lackawanna Valley that has produced several notable athletes. He attended Valley View High School, where his family supported his early baseball development. Public details about his parents and siblings are limited, and he has generally kept his home life private.

Personal Life

Black remains closely tied to his hometown of Archbald, Pennsylvania, and is known to credit his family and high school coaches for helping him reach professional baseball. Verified information about a spouse or children has not been publicly confirmed, and those details are not included here.

2025 Season Performance

Black began 2025 with the Triple-A Sacramento River Cats, where he worked on consistency and pitch efficiency. He made one regular-season appearance for the San Francisco Giants, allowing five runs with five strikeouts over four innings pitched, before being designated for assignment on November 6, 2025.

Shortly after, on November 11, 2025, the Giants traded Black to the Kansas City Royals in exchange for Logan Martin, giving him a new platform to compete for a starting role. Through the early portion of his Royals tenure, he has been optioned to the Triple-A Omaha Storm Chasers to begin the 2026 season while he builds toward a potential return to the major league rotation.