Mike Hazen’s impact on the Arizona Diamondbacks: An interim grade

Arizona Diamondbacks general manager Mike Hazen during spring training workouts at Salt River Fields in Scottsdale on Feb. 20, 2023.Mlb Diamondbacks Spring Training
Arizona Diamondbacks general manager Mike Hazen during spring training workouts at Salt River Fields in Scottsdale on Feb. 20, 2023.Mlb Diamondbacks Spring Training /
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Corbin Carroll.  Darren Yamashita-USA TODAY Sports
Corbin Carroll.  Darren Yamashita-USA TODAY Sports /

Farm system

Even before his debut at the end of last August, Corbin Carroll was being touted as the likely National League Rookie of the Year. An outfielder with limited experience in 2022, Carroll is batting .292 with 17 home runs and 24 stolen bases in his first full season. That adds up to a +2.9 WAA.

He finds himself the apparent leader in what is shaping up as a good race for NL Rookie of the Year. The Reds’ recent callup of shortstop Elly De La Cruz could give Carroll some second half competition, as could Reds infielder Spencer Steer and Cardinals outfielder Jordan Walker.

Carroll is the best known of eight first-year players on the Arizona roster, three of whom aside from Carroll are or were playing substantive roles. All three are or have been starting pitchers.

Tommy Henry (+0.1) is 4-1 with a 4.31 ERA in 11 starts. A left-hander, he’s operating as the team’s fifth starter.

Brandon Pfaadt (-0.9) got a callup from Triple-A in May. Three weeks later, having gone 0-2 with an 8.37 ERA in five starts, he was sent down again.

Ryne Nelson (+0.1) is the fourth starter. He’s 4-4 with a 4.97 ERA in 16 starts.