After a season that saw him struggle at the plate and even get sent down for a brief spell, Chicago Cubs outfielder Kyle Schwarber has transformed himself this offseason.

“Personally, it wasn’t the season I wanted it to be. It’s a lifestyle change,” he said.

Schwarber has been working out in Florida, and the Cubs posted a video of the outfielder’s progress on their social media channels Wednesday:

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Schwarber has reportedly lost over 20 pounds this offseason, trimming weight and building muscle after hitting .211 with 30 home runs for the Cubs last season.