 Eickhoff was drafted after his freshman year by the Chicago Cubs, in the 46th round of the 2010 Major League Baseball Draft, but did not sign, instead returned to Olney Central.In 2011 (his sophomore year), Eickhoff was the Great Rivers Athletic Conference Pitcher of the Year, after going 10–4, with a 1.90 earned run average (ERA), striking out a school record 116 batters, in 88.1 innings, and earning NJCAA All-American honors.Eickhoff was then drafted by the Texas Rangers, in the 15th round of the 2011 Major League Baseball Draft, and netted a signing bonus of $150,000.