The Pirates officially announced the signings of the following 2010 draft picks: Nick Kingham (4th round), Brandon Cumpton (9th round) and Ryan Hafner (17th round). The Kingham signing was reported last week by Tim Williams of Pirates Prospects. Jim Callis of Baseball America tweets that Cumpton signed for $124,500.
UPDATE (8/10/2010, 12:00 PM): Jim Callis reports that Hafner received an above slot bonus of $450,000.
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