About Shane Monahan
Born 1974. Shane Monahan is an American baseball player.
Shane Hartland Monahan (born August 12, 1974) is an American former Major League Baseball outfielder and designated hitter. He played his entire career for the Seattle Mariners (1998–99). He is a graduate of Joseph Wheeler High School in Marietta, Georgia and attended Clemson University. Monahan now lives in South Carolina. Monahan is arguably one of the top 5 greatest Clemson Tiger baseball players ever.
Monahan comes from a family that is well known in the National Hockey League. Monahan's father was Hartland Monahan, his maternal grandfather was Bernie Geoffrion, a Hall of Famer who is credited with inventing the slap shot in hockey, and his great-grandfather was NHL Hall of Famer Howie Morenz. He is the nephew of Danny Geoffrion and cousin of Blake Geoffrion.
Collegiate baseball career
While at Clemson University, Monahan broke several school and Atlantic Coast Conference records, some of which he still holds, including game appearances, at bats, and hits. Monahan appeared in every Clemson game during his 3 years at the school (1993–1995). In the 1994 season, Monahan led the NCAA in hits (137) and runs (97). His 137-hit season remains an ACC record. Also in 1994, Monahan set ACC single-season records of 330 at bats and 75 game appearances. He is one of only 5 Clemson Tigers to hit for the cycle, doing so in Hawai'i against Hawai'i-Hilo on March 19, 1994. He was ACC Player of the Week twice in 1994, and the ACC Tournament MVP. He was named to the All-ACC Tournament team in 1994 and 1995. In 1993, along with teammate Scott Winchester, Monahan was a Freshman All-American; in the 1994 and 1995 seasons, Monahan was a two-time All-American in the ABCA, Baseball America, Collegiate Baseball, and NCBWA polls.
In 1993, he played collegiate summer baseball in the Cape Cod Baseball League for the Yarmouth-Dennis Red Sox and was named a league all-star. Monahan was a 3-time Letterman at Clemson, and was inducted into the Clemson Athletic Hall of Fame in 2011.
Professional baseball career
Monahan was picked by the Atlanta Braves in 18th Round of 1992 amateur entry draft, but chose to attend Clemson University instead. He was next selected in the second round by the Seattle Mariners in the amateur entry draft.
From 1995 through , Monahan played on minor league affiliates of the Mariners. Between and , he split the seasons between the Mariners and the Tacoma Rainiers.
After the 1999 season, Monahan returned to the minors and between 1999 and he played for minor league affiliates of the Mariners, Cincinnati Reds, San Diego Padres, Colorado Rockies, Pittsburgh Pirates, and Kansas City Royals. Monahan ended his professional career in playing for the independent Atlantic City Surf of the Atlantic League of Professional Baseball.
Admission of drug use On December 28, 2007, Monahan admitted in an interview with ESPN that he used the anabolic steroids Deca-Durabolin and Winstrol as well as amphetamines during his playing career.
Edgar MartÃnez, like former teammates Raúl Ibañez and Jamie Moyer, denied allegations of such use in the clubhouse. MartÃnez made this statement while visiting the Mariners in spring training:
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Important facts
People in Shane Monahan's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped Shane Monahan's
Frequently asked questions
Who is Shane Monahan?
American baseball player
When was Shane Monahan born?
Shane Monahan was born on 12 August 1974 in Syosset.
What is Shane Monahan's occupation?
Shane Monahan is a baseball player.
What nationality is Shane Monahan?
Shane Monahan is American.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Shane Monahan. https://biography.guide/shane-monahan/
MLA: "Shane Monahan." Biography.guide, https://biography.guide/shane-monahan/.
Chicago: "Shane Monahan." Biography.guide. https://biography.guide/shane-monahan/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
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