The pact includes bonuses and an option for the fourth year that would max out the deal at $72 million, a major-league source said.

Royals GM J.J. Picollo joins MLB Tonight from the GM Meetings to discuss re-signing Michael Wacha, what additions the team might make and more

While several MLB players are taking the opt-out available in their contracts for free agency, pitcher Michael Wacha has agreed to a three-year, $51 million deal with the Kansas City Royals.