The Los Angeles Angels are making major changes to Mike Scioscia's staff as pitching coach Mike Butcher and hitting coach Don Baylor will not return to the club.

Scioscia, the longest-tenured manager in baseball, is expected to return for his 17th season.

The decision was made by new general manager Billy Eppler, who was hired last week.

"These are good baseball men and individuals who have a deep passion and focus towards their craft," Eppler said. "I am both respectful and appreciative of the many contributions Don and Mike have made to this organization during their careers here."