Shane Hartland Monahan (born August 12, 1974) is an American former Major League Baseball outfielder and designated hitter.

He is a graduate of Joseph Wheeler High School in Marietta, Georgia and attended Clemson University.

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.

[1] 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 was picked by the Atlanta Braves in 18th Round of 1992 amateur entry draft, but chose to attend Clemson University instead.

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.

[5]Edgar Martínez, like former teammates Raúl Ibañez and Jamie Moyer, denied allegations of such use in the clubhouse.