|Born: November 19, 1966|
|September 12, 1992, for the Chicago Cubs|
|Last MLB appearance|
|September 28, 1992, for the Chicago Cubs|
|Earned run average||6.75|
Jeffrey Roger Hartsock (born November 19, 1966) was a Major League Baseball right-handed pitcher. He is an alumnus of North Carolina State University, where he played college baseball for the Wolfpack from 1986 to 1988.
Hartsock was drafted by the Los Angeles Dodgers in the 7th round of the 1988 MLB amateur draft. Prior to making his Major League debut, Hartsock would be traded to the Chicago Cubs for Steve Wilson on September 6, 1991. He would eventually make his Major League Baseball debut with the Chicago Cubs on September 12, 1992. Hartsock appeared in his final Major League game on September 28, 1992.
- "North Carolina State University Baseball Players Who Made it to the Major Leagues". Baseball-Almanac.com. Archived from the original on 23 November 2005. Retrieved 2 July 2012.
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