Walker worked on altering his swing path and trained himself to react better to how he is being pitched, Nick Piecoro of the Arizona Republic reports.

Walker's breakout age-28 season in 2019 put him on the fantasy map, but the first baseman hit just .244 with 10 homers in 445 plate appearances last season. It was uncertain whether the Diamondbacks would bring him back, but the organization eventually tendered his contract, and Walker is motivated to prove 2021 was an aberration. "I've traditionally been a right-center, opposite-field thought-process guy and for a while that was that was where I needed to be and that worked," Walker said. "I think as our bodies change and the league learns about you and there's more data and more at-bats to use against you, it almost seems silly to try to be the same guy every single year, every single at-bat." Walker enters spring training as Arizona's primary first baseman, but Pavin Smith earned an opportunity as an everyday player in 2021. Smith could settle in at right field, where he held his own last season, so Walker could remain the starter at first base. With the designated hitter becoming a reality in the National League this season, there are a couple of potential spots in the batting order for Walker.

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