About Dan Jennings
Born 1987. Dan Jennings is an American baseball player.
Daniel Lee Jennings (born April 17, 1987) is an American former professional baseball pitcher. He played in Major League Baseball (MLB) for the Miami Marlins, Chicago White Sox, Tampa Bay Rays, Milwaukee Brewers, and Washington Nationals. He also played college baseball for the Nebraska Cornhuskers of the University of Nebraska–Lincoln.
Amateur career Though born in Berkeley, California, he led the team to back-to-back state championships in 2004 and 2005. As a senior in 2005, Jennings pitched to a 9–0 win–loss record and 0.85 earned run average (ERA), earning All-State honors. and spent the summer of 2008 with the Cotuit Kettleers of the Cape Cod Baseball League. He was drafted by the Marlins in the ninth round of the 2008 MLB draft. Returning to Jacksonville in 2010, Jennings was suspended for 50 games for violating minor league baseball's policy banning the use of performance-enhancing drugs.
Miami Marlins The Marlins promoted Jennings to MLB on April 30, 2012, and he pitched a scoreless inning in relief in his debut that day.
On August 7, 2014, Jennings was pitching in relief against the Pittsburgh Pirates when Jordy Mercer hit a line drive that struck Jennings in the head, causing a concussion. Jennings was kept overnight in a Pittsburgh hospital for observation instead of accompanying the Marlins to Cincinnati for their next series against the Cincinnati Reds after the game. Jennings later thanked Pirates fans on Twitter for their support after the crowd at PNC Park gave Jennings a standing ovation when he was carted off the field and gave the crowd a wave. He returned to the Marlins shortly thereafter, passing concussion protocol and sustaining no permanent injury.
Chicago White Sox On December 11, 2014, Jennings was traded to the Chicago White Sox in exchange for André Rienzo.
Tampa Bay Rays On July 27, 2017, the White Sox traded Jennings to the Tampa Bay Rays in exchange for first baseman Casey Gillaspie. He was released on March 26, 2018.
Milwaukee Brewers On March 30, 2018, Jennings signed with the Milwaukee Brewers. He was non-tendered and became a free agent on November 30, 2018.
Los Angeles Angels On February 15, 2019, Jennings signed a minor league deal with the Los Angeles Angels. The Angels released him on March 26.
Washington Nationals On April 15, 2019, Jennings signed a minor league deal with the Washington Nationals. He had his contract purchased on April 30. Jennings posted a 13.50 ERA over eight games with the Nationals, before being designated for assignment on May 20. He elected free agency two days later.
New York Yankees On July 8, 2019, Jennings signed a minor league deal with the New York Yankees. He was released by the Yankees on August 13, 2019.
Retirement Before 2020 spring training, Jennings retired from playing professional baseball.
Personal life Jennings has been confused for the son of Dan Jennings, who was an executive for the Marlins when the younger Jennings was pitching for them. His parents, Bob and Janet Jennings, live in West Des Moines. Jennings has a brother, Tom, who currently works as a tennis professional at the Quad City Tennis Club. He is married. Jennings' parents, fiancée, and her parents all flew to Miami to watch Jennings' MLB debut.
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Important facts
People in Dan Jennings's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped Dan Jennings's
Frequently asked questions
Who is Dan Jennings?
baseball player
When was Dan Jennings born?
Dan Jennings was born on 17 April 1987 in Berkeley.
What is Dan Jennings's occupation?
Dan Jennings is a baseball player.
What nationality is Dan Jennings?
Dan Jennings is American.
Sources & further reading
· DBpedia: Dan Jennings (pitcher)
Cite this page
APA: Biography.guide. (2026). Dan Jennings. https://biography.guide/dan-jennings-baseball-player/
MLA: "Dan Jennings." Biography.guide, https://biography.guide/dan-jennings-baseball-player/.
Chicago: "Dan Jennings." Biography.guide. https://biography.guide/dan-jennings-baseball-player/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
Portrait: Wikimedia Commons · author & licence
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