Six MLB hitters who have taken a step backward in 2019

MLB: Cincinnati Reds at Milwaukee Brewers

Jesus Aguilar, Tampa Bay Rays

Aguilar was another huge piece of the Brewers’ National League Central championship squad last season. He’s also struggled in 2019, but the difference between him and Shaw is that Aguilar is no longer with the organization.

His incredible power showed out in a big way last year, evidenced by him collecting 35 homers with 108 RBI, a 134 wRC+, and a 3.1 fWAR. Through 328 plate appearances in 2019, those numbers have decreased to 9, 39, 88, and -0.1, respectively. It is worth noting, though, that while his power hasn’t returned, his overall performance since joining the Rays has been better (81 wRC+ in Milwaukee, 114 in Tampa Bay).

The right-handed hitter’s Isolated Power has gone from .160 in the first half to .098 in the second half partially because he’s hitting too many ground balls. After posting a 40.3% ground-ball rate prior to the All-Star break, that number has climbed up to 45.9% following the midsummer classic.

To pull another positive out of these general struggles, at least Aguilar has continued to sustain improvements in his walk rate (10.2% to 11.9%) and strikeout rate (25.3% to 21.6%).

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