About Justin Leone
Born 1977. Justin Leone is an American baseball player.
Justin Paul Leone (born March 9, 1977) is an American former professional baseball third baseman. He played in Major League Baseball (MLB) for the Seattle Mariners and San Diego Padres. He is an alumnus of St. Martin's University.
Career Drafted by the Seattle Mariners in the 13th round of the 1999 Major League Baseball draft, Leone made his Major League Baseball debut with Seattle on July 2. He spent the season in the San Diego Padres organization, making the Triple-A All-Star team that year, in which he also participated in the home run derby. He was a part of the 2003 USA Olympic Qualifying Team.
In , Leone was named Texas League Player of the Year by Baseball America, Mariners Minor League Player of the Year by the Seattle organization and Texas League Player of the Year by Topps while playing for Double-A San Antonio. He started the season off the bench, but was picked to replace infielder Greg Dobbs after Dobbs went down with a season-ending injury.
Leone was the first Mariner to hit the KOMO Glove sign in left field during a game against the Cleveland Indians to earn a fan $1,000, it was also his first major league home run. Leone accomplished this two nights in a row.
From -, Leone played in the San Francisco Giants organization and became a free agent at the end of the 2008 season. In December 2008, he signed a minor league deal with the New York Yankees and was assigned to Triple-A Scranton. On July 31, 2009 Leone was released by the Yankees. On September 1, Leone signed a Minor League contract with the Texas Rangers and was granted free agency on November 9, 2009.
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Important facts
People in Justin Leone's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped Justin Leone's
Frequently asked questions
Who is Justin Leone?
American baseball player
When was Justin Leone born?
Justin Leone was born on 9 March 1977 in Las Vegas Valley.
What is Justin Leone's occupation?
Justin Leone is a baseball player.
What nationality is Justin Leone?
Justin Leone is American.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Justin Leone. https://biography.guide/justin-leone/
MLA: "Justin Leone." Biography.guide, https://biography.guide/justin-leone/.
Chicago: "Justin Leone." Biography.guide. https://biography.guide/justin-leone/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
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