Jeremy Ross Jeffress (born September 21, 1987) is an American professional baseball pitcher for the Chicago Cubs of Major League Baseball (MLB). He previously played for the Kansas City Royals, Toronto Blue Jays, Texas Rangers and Milwaukee Brewers. Jeffress was an All-Star in 2018.
Jeffress was selected by the Milwaukee Brewers as the 16th overall pick in the 2006 Major League Baseball draft. He signed a contract with a $1.55 million signing bonus in 2006.
In 2008, he started on the Brevard County Manatees' roster on the restricted list. On August 6, the Milwaukee Brewers organization announced that Jeffress was promoted to their Double-A team, the Huntsville Stars. He began the 2009 season with Huntsville, but struggled and was sent back to Brevard County in May 2009. At the beginning of the 2010 campaign, Jeffress was sent down to the Class A affiliate, the Wisconsin Timber Rattlers.