Sean McManus Guenther (born December 29, 1995) is an American

professional baseball Professional baseball is organized baseball in which players are selected for their talents and are paid to play for a specific team or club system. It is played in baseball league, leagues and associated farm teams throughout the world. Mod ...

pitcher In baseball, the pitcher is the player who throws ("pitches") the baseball from the pitcher's mound toward the catcher to begin each play, with the goal of retiring a batter, who attempts to either make contact with the pitched ball or draw ...

in the

Detroit Tigers The Detroit Tigers are an American professional baseball team based in Detroit. The Tigers compete in Major League Baseball (MLB) as a member of the American League (AL) Central division. One of the AL's eight charter franchises, the club was f ...

organization. He has previously played in

Major League Baseball Major League Baseball (MLB) is a professional baseball organization and the oldest major professional sports league in the world. MLB is composed of 30 total teams, divided equally between the National League (NL) and the American League (AL), ...

(MLB) for the

Miami Marlins The Miami Marlins are an American professional baseball team based in Miami. The Marlins compete in Major League Baseball (MLB) as a member club of the National League (NL) East division. The club's home ballpark is LoanDepot Park. The franc ...

Amateur career

A native of

Atlanta, Georgia Atlanta ( ) is the capital and most populous city of the U.S. state of Georgia. It is the seat of Fulton County, the most populous county in Georgia, but its territory falls in both Fulton and DeKalb counties. With a population of 498,715 ...

, Guenther attended Marist School in Brookhaven, Georgia. He graduated from high school in 2014. Guenther committed to play baseball for the Fighting Irish baseball team of the

University of Notre Dame The University of Notre Dame du Lac, known simply as Notre Dame ( ) or ND, is a private Catholic research university in Notre Dame, Indiana, outside the city of South Bend. French priest Edward Sorin founded the school in 1842. The main campu ...

. In his freshman season, Guenther was named a

Louisville Slugger Louisville ( , , ) is the largest city in the Commonwealth of Kentucky and the 28th most-populous city in the United States. Louisville is the historical seat and, since 2003, the nominal seat of Jefferson County, on the Indiana border. ...

Freshman All-American and named on the

ACC ACC most often refers to: * Atlantic Coast Conference, an NCAA Division I collegiate athletic conference located in the US *American College of Cardiology, A US-based nonprofit medical association that bestows credentials upon cardiovascular spec ...

All-Freshman team as well as leading the Irish with five saves. In 2015, Guenther posted a 1–3

record A record, recording or records may refer to: An item or collection of data Computing * Record (computer science), a data structure ** Record, or row (database), a set of fields in a database related to one entity ** Boot sector or boot record, ...

with a 2.72

ERA An era is a span of time defined for the purposes of chronology or historiography, as in the regnal eras in the history of a given monarchy, a calendar era used for a given calendar, or the geological eras defined for the history of Earth. Compa ...

and a 1.295

WHIP A whip is a tool or weapon designed to strike humans or other animals to exert control through pain compliance or fear of pain. They can also be used without inflicting pain, for audiovisual cues, such as in equestrianism. They are generally e ...

in his freshman season. In his Sophomore season, Guenther posted a 3–5 record, 4.62 ERA, and a 1.369 WHIP with 11 starts and 15 total appearances in 2016. After the 2016 season, Guenther played

collegiate summer baseball Collegiate summer baseball leagues are amateur baseball leagues in the United States and Canada featuring players who have attended at least one year of college and have at least one year of athletic eligibility remaining. Generally, they operat ...

for the

Orleans Firebirds The Orleans Firebirds, formerly the Orleans Cardinals, are a collegiate summer baseball team based in Orleans, Massachusetts. The team is a member of the Cape Cod Baseball League (CCBL) and plays in the league's East Division. The Firebirds play t ...

of the

Cape Cod Baseball League The Cape Cod Baseball League (CCBL or Cape League) is a collegiate summer baseball wooden bat league located on Cape Cod in the U.S. state of Massachusetts. One of the nation's premier collegiate summer leagues, the league boasts over one thousan ...

. In his junior year, Guenther posted a 2–6 record, a 2.64 ERA, 1.328 WHIP, and seven saves. After his junior year, Guenther was drafted by the

in the seventh round (209th overall) of the

2017 MLB draft The 2017 Major League Baseball (MLB) First-Year Player Draft began on June 12, 2017. The draft assigned amateur baseball players to MLB teams. The first 36 picks, including the first round and compensatory picks, were broadcast on MLB Network on J ...

Professional career

Miami Marlins

To begin his professional baseball career, Guenther was assigned to the

Gulf Coast League Marlins The Florida Complex League Marlins are a Rookie-level affiliate of the Miami Marlins, competing in the Florida Complex League of Minor League Baseball. Prior to the 2021 season, the team was known as the Gulf Coast League Marlins. The team plays ...

of the Gulf Coast League in 2017. In three starts and four total games with the GCL Marlins, Guenther only allowed one

run Run(s) or RUN may refer to: Places * Run (island), one of the Banda Islands in Indonesia * Run (stream), a stream in the Dutch province of North Brabant People * Run (rapper), Joseph Simmons, now known as "Reverend Run", from the hip-hop group ...

, five hits, and eleven

strikeout In baseball or softball, a strikeout (or strike-out) occurs when a batter accumulates three strikes during a time at bat. It usually means that the batter is out. A strikeout is a statistic recorded for both pitchers and batters, and is deno ...

s in 11 innings. Guenther was quickly promoted to the Batavia Muckdogs of the

New York-Penn League New is an adjective referring to something recently made, discovered, or created. New or NEW may refer to: Music * New, singer of K-pop group The Boyz Albums and EPs * ''New'' (album), by Paul McCartney, 2013 * ''New'' (EP), by Regurgitator, ...

. In 40 innings with the Muckdogs, Guenther posted a 1–4 record with thirty-three strikeouts and a 3.83 ERA. For the 2018 season, Guenther was assigned to the

Jupiter Hammerheads The Jupiter Hammerheads are a Minor League Baseball team of the Florida State League and the Single-A affiliate of the Miami Marlins. They are located in the town of Jupiter, Florida, Jupiter in Palm Beach County, Florida, and play their home game ...

of the

Florida State League The Florida State League (FSL) is a Minor League Baseball league based in the state of Florida. Having been classified at various levels throughout its existence, it operated at Class A-Advanced from 1990 until its demotion to Single-A following ...

. Early struggles with the Hammerheads had Guenther demoted to the Greensboro Grasshoppers of the Single A South Atlantic League. Guenther also appeared in a rehab game with the GCL Marlins in 2018. In 2019, Guenther appeared with the Clinton LumberKings of the

Midwest League The Midwest League is a Minor League Baseball league established in 1947 and based in the Midwestern United States. A Class A league for most of its history, the league was promoted to High-A as part of Major League Baseball's 2021 reorganizat ...

and with the Jupiter Hammerheads. Guenther did not appear with a team in 2020 because of the

COVID-19 pandemic The COVID-19 pandemic, also known as the coronavirus pandemic, is an ongoing global pandemic of coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The novel virus was first identif ...

. To begin the 2021 season, Guenther was assigned to the Pensacola Blue Wahoos of Double-A South. In 17.2 innings with Pensacola, Guenther posted a 1–0 record with a 1.02 ERA and 28 strikeouts. On June 8, Guenther was promoted to the Jacksonville Jumbo Shrimp of

Triple-A East The International League (IL) is a Minor League Baseball league that operates in the United States. Along with the Pacific Coast League, it is one of two leagues playing at the Triple-A level, which is one grade below Major League Baseball ( ...

. On August 4, Guenther was called up by the Marlins and made his debut 2 days later. On April 7, 2022, Guenther underwent

Tommy John surgery Ulnar collateral ligament reconstruction, colloquially known as Tommy John surgery (TJS), is a surgical graft procedure where the ulnar collateral ligament in the medial elbow is replaced with either a tendon from elsewhere in the patient's bo ...

, ending his 2022 season before it began.

Detroit Tigers

On November 2, 2022, Guenther was claimed off waivers by the

. On November 15, he was removed from the

40-man roster A Major League Baseball roster is a list of players who are allowed, by league agreement, to play for a Major League Baseball (MLB) team. Each MLB team maintains two rosters: an active roster of players eligible to participate in an MLB game, and ...

and sent outright to the Triple–A

Toledo Mud Hens The Toledo Mud Hens are a Minor League Baseball team of the International League and the Triple-A affiliate of the Detroit Tigers. They are located in Toledo, Ohio, and play their home games at Fifth Third Field. A Mud Hens team has played in ...

References

External links

UND Fighting Irish bio
{{DEFAULTSORT:Guenther, Sean 1995 births Living people Baseball players from Atlanta Major League Baseball pitchers Miami Marlins players Notre Dame Fighting Irish baseball players Orleans Firebirds players Gulf Coast Marlins players Batavia Muckdogs players Greensboro Grasshoppers players Jupiter Hammerheads players Clinton LumberKings players Pensacola Blue Wahoos players Jacksonville Jumbo Shrimp players