Phil Mickelson already has two top-three finishes on the PGA Tour in 2015-16 after having only three such results in the prior two seasons combined.
Part of the reason the Hall of Famer has turned things around is a new swing, which he spoke about—among other things, including his legendary peer, Tiger Woods—in an extensive interview with Golf.com's Ryan Asselta that ran Tuesday.
Mickelson switched swing coaches, dropping Butch Harmon in November 2015. Harmon coached Woods during his prime, and Mickelson called him "the best instructor the game has probably ever seen.