Donald Zackary "Zack" Greinke (pronounced /ˈɡrɪŋki/ gring-kee; born October 21, 1983) is a Major League Baseball starting pitcher for the Milwaukee Brewers. Greinke won the American League Cy Young Award in 2009 with the Kansas City Royals.
Greinke was born in Orlando, Florida. After being named the Gatorade National Player of the Year in 2002, he was selected out of Apopka High School in the first round of the 2002 draft. Greinke turned down a scholarship to Clemson to sign with the Royals.
In 2003, he played for the Wilmington Blue Rocks and Wichita Wranglers, where he was named the Royals Minor League Pitcher of the Year, Carolina League Pitcher of the Year, and The Sporting News Minor League Player of the Year, with a 15–4 record and 1.93 ERA.