This prospect just signed for $140 million. He'd been in the majors less than a week.

NBC News spoke to super agent Scott Boras, players Corbin Carroll and Luis Robert Jr. and ex-GM Sandy Alderson about the trend of MLB teams' signing players to huge contracts early in their careers.

This offseason, Pittsburgh Pirates owner Bob Nutting was eager to get updates on negotiations over one player’s contract in particular. He was so invested, he said, that he “pestered” the front office “to find out when it was going to get finished.”

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