Jackie Bradley Jr.'s new swing works the very first time

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FORT MYERS, Fla. -- Jackie Bradley Jr. said a change was coming. Sunday he showed exactly what he was talking about.

After an offseason of revamping his swing with J.D. Martinez's hitting guru Craig Wallenbrock, the Red Sox outfielder dove into spring training with a new wave of optimism. In Bradley Jr.'s first Grapefruit League at-bat of the season, we found out why all the excitement.

Bradley Jr. absolutely crushed a home run over the right-field fence in his first plate appearance of the spring.

Jackie Bradley Jr still in CRUSH EVERYONE mode. pic.twitter.com/aIITDKBorq

— Red (@SurvivingGrady) February 24, 2019

"I expect a lot from myself." - @JackieBradleyJr#SoxSpring pic.twitter.com/c0L1zQpdMQ

— Boston Red Sox (@RedSox) February 24, 2019

"I expect a lot from myself," said Bradley Jr. after the Red Sox' win over the Twins.

To read more about Bradley Jr.'s swing evolution, click here.