8:54pm: Now Sam Mellinger of the Kansas City Star is reporting (via Twitter) that the deal is only for $3MM guaranteed including a $1.5MM signing bonus.
8:30pm: Jim Callis of Baseball America is reporting that Crow will make just under $4.5MM and that the deal will be finalized in time for Crow to attend the Royals' instructional league program beginning Saturday. Callis adds that Crow could debut in the Arizona Fall League.
7:47pm: Via a press release, the Royals have signed their first-round pick Aaron Crow to a three-year Major League contract that will begin in 2010. Crow was the 12th overall pick in this year's draft and was not subject to the August 17th signing deadline.
No further details are available at this time. However, earlier today, Buster Olney reported that the deal would be worth $3-4.5MM. Crow reportedly turned down a $3.5MM offer from the Nationals as the ninth overall selection in 2008.