It's the first time in at least five years that another club has hired away a coach from the Phillies' MLB staff.

Read - Phillies announce new assistant pitching coach after Brian Kaplan's departure - and more Phillies news and rumors at ...

Read - Phillies lose key staff member as Diamondbacks hire former assistant as pitching coach - and more Phillies news and ...

The Diamondbacks announced that Brian Kaplan, formerly with the Philadelphia Phillies, will be their new pitching coach after ...

A day after losing assistant pitching coach Brian Kaplan to the Arizona Diamondbacks, the Phillies promoted 32-year-old Mark ...

The Phillies wasted no time in hiring Brian Kaplan’s replacement as assistant pitching coach. The team announced Wednesday ...

The Phillies have promoted Mark Lowy to assistant pitching coach, the team announced Wednesday. Lowy, 32, replaces Brian ...

Kaplan, 42, specializes in the training and development of pitchers, with an emphasis on biomechanics, and had not coached in ...

A day after losing assistant pitching coach Brian Kaplan to the Arizona Diamondbacks, the Phillies promoted 32-year-old Mark Lowy to fill his role on the coaching staff. Kaplan was named Torey ...

Brian Kaplan, who spent the past three seasons with the Phillies, has been hired by the Diamondbacks to replace Brent Strom ...