Shaun Michael Marcum (born December 14, 1981) is an American professional baseball starting pitcher for the Milwaukee Brewers of Major League Baseball.

Marcum was born in Kansas City, Missouri and raised in Excelsior Springs, Missouri, where he attended Excelsior Springs High School. Marcum initially attended the University of Missouri, but transferred to Missouri State University, playing on the 2003 College World Series team.

Marcum was drafted by the Blue Jays in the third round, 80th overall, of the 2003 Major League Baseball Draft. Marcum quickly rose through the minor leagues and made his major league debut on September 6, 2005 as a late season call-up from the minors in September when rosters expanded. He made his debut against the Baltimore Orioles pitching one scoreless inning, giving up a hit and one walk and one strikeout. Marcum pitched 8 innings, giving up six hits, without surrendering a run during the month of September.

Marcum went 3–4 for the Blue Jays in 2006 in 21 games, including 14 starts, with an ERA of 5.06. In his final seven starts, he had a record of 2–1 with a 3.31 ERA.

Reggie Gene Willits (born May 30, 1981 in Chickasha, Oklahoma) is an American professional baseball outfielder who is a free agent.

Reggie is the son of Gene and Judy Willits of Fort Cobb, Oklahoma. He attended junior high and high school at Fort Cobb-Broxton. He is an alumnus of the University of Oklahoma, and he played junior college baseball at Seminole State in Seminole, Oklahoma.

Willits was drafted by the Angels in the 7th round (210th overall) of the 2003 Major League Baseball Draft. Willits made his Major League Baseball debut with the Angels on April 26, 2006. He has the most active at bats without hitting a home run.

On August 17, 2011, he was designated for assignment by the Angels after five seasons in Anaheim. After the 2011 season, he elected for free agency.

Willits married Amber Klugh of Fort Cobb; they have two children, Jaxon and Eli. Reggie has only one older sister Wendi, who played basketball at Arkansas and for the Los Angeles Sparks of the WNBA and won a championship.

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, the son of Marsha Ann (née Wilkin) and Donald Ray Greinke. 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.

Greinke made his major league debut on May 22, 2004 against the Oakland Athletics. Greinke's first major league hit was a home run off Arizona Diamondbacks pitcher Russ Ortiz in a 12–11 loss on June 10, 2005.