Education
He attended South Central Junior-Senior High School in Union Mills, Indiana for his first three years of high school.
He attended South Central Junior-Senior High School in Union Mills, Indiana for his first three years of high school.
Previously, he played college baseball for the Indiana State Sycamores at Indiana State University. While attending Indiana State, Manaea was named the best prospect in the Cape Cod Baseball League in 2012. The Kansas City Royals selected Manaea with the 34th pick in the 2013 Major League Baseball Draft, and traded him to the Athletics during the 2015 season.
Manaea was raised in Wanatah, Indiana.
After his junior year, he competed in the first All-Indiana Crossroads Showcase Series. Manaea transferred to Andrean High School in Merrillville, Indiana, so that he could qualify for a college baseball program in the National Collegiate Athletic Association (National Collegiate Athletic Association).
Playing for the baseball team at Andrean, Manaea was part of the state champions in 2010, his senior year. Manaea was not selected in the Major League Baseball Draft out of high school.
After graduating from high school, Manaea enrolled at Indiana State University, where he played college baseball for the Indiana State Sycamores baseball team, competing in the Missouri Valley Conference of National Collegiate Athletic Association"s Division I. Manaea recorded 115 strikeouts in 105 innings pitched as a sophomore.
Following his sophomore year at Indiana State, he competed for the Hyannis Harbor Hawks in the Cape Cod Baseball League. In 2013, Manaea was named a Preseason All-American and added to the National Pitcher of the Year Watch List. He compiled a 5–4 record, a 1.47 European Research Area, and 93 strikeouts in 73 1⁄3 innings, ranking fourth in the nation in strikeouts per 9 innings pitched.
Manaea was considered a top prospect in the 2013 Major League Baseball Draft, and was scouted by the Houston Astros, who had the first overall pick.
However, he was not drafted until the Kansas City Royals took him with the 34th pick of the draft, due to a hip injury. The Royals signed Manaea to a $3.55 million signing bonus, above the recommended value for the 34th pick of $1,623,000.
He had surgery to repair a torn acetabular labrum and missed the remainder of the 2013 season. Healthy in time for spring training in 2014, the Royals assigned Manaea to the Wilmington Blue Rocks of the Class A-Advanced Carolina League, with the plan to limit him to 150 innings pitched for the 2014 season.
Manaea had a 7-8 record with a 3.11 European Research Area in 25 games started, leading the Carolina League with 146 strikeouts.
He missed the beginning of the 2015 season with abdominal and groin injuries. After making four starts for Wilmington, Manaea received a promotion to the Northwest Arkansas Naturals of the Class Associate of Arts Texas League in July. The Royals traded Manaea and Aaron Brooks to the Oakland Athletics on July 28, 2015, in exchange for Ben Zobrist.
The Athletics assigned him to the Midland Rockhounds of the Texas League.
Manaea"s father, Faaloloi, settled in Indiana after leaving American Samoa. He worked for the Inland Steel Company following service in the Vietnam War.
His mother, Opal, is a factory worker