The Royals are bringing back right-hander Michael Wacha on a three-year, $51 million contract that includes a club option for the 2028 season, a person familiar with the terms told The Associated Press on Sunday.The person, who spoke on condition of anonymity because the club did not release financial terms, said Wacha will make $18 million each of the next two seasons and $14 million in 2027, though he could earn up to $4 million in performance bonuses that season. The club option pushes the potential value to $72 million over four years.The 33-year-old Wacha, who went 13-8 with a 3.35 ERA this past season, signed with Kansas City last offseason on a deal that included a $16 million player option for next season. He would have had plenty of suitors in free agency, but the new with the Royals gives him the longevity he desired and the club some …