The 2023 National League Rookie of the Year Award went to Arizona Diamondbacks centre fielder Corbin Carroll, who finished ahead of Los Angeles Dodgers centre fielder James Outman and New York Mets centre fielder Kodai Senga. Carroll received all 30 first-place votes, earning the prize unanimously.

Carroll had a 133 wRC+, 6.0 WAR, 25 home runs, 116 runs scored, 76 RBI, and 54 stolen bases in his.285/.362/.506 batting average. The 22-year-old was considered for the National League MVP award for a significant portion of the season, but he was eventually eliminated due to the incredible seasons of Mookie Betts, Freddie Freeman, Ronald Acuña Jr., and Freddie Freeman.

He finished second in RBI in WRC+ and led all qualified rookies in the NL in WAR, home runs, stolen bases, and runs scored. Carroll is the first player from the Diamondbacks to be named Rookie of the Year.

Senga recorded a 2.98 ERA, 3.63 FIP, 1.22 WHIP, 10.93 strikeouts per nine innings, 4.17 walks per nine, and a 3.63 FIP across 166.1 innings to finish second in votes. The 30-year-old finished 12-7 with a 3.4 WAR in 29 starts.

Senga was second in FIP and WHIP behind Bobby Miller among rookies with at least 100 innings pitched. Senga led in ERA, strikeouts (202), K/9, WAR, and innings pitched.

With 16 doubles, 3 triples, 23 home runs, 70 RBI, 86 runs scored, and 16 stolen bases in 151 games, Outman concluded the season with a batting average of.248/.353/.437. He was sixth in home runs and RBI, ninth in walk percentage (12%), T-13th in wRC+ (118), and third in runs scored and WAR (4.4) among qualifying rookies.

After hitting, the 26-year-old was named the April NL Rookie of the Month.292/.376/.615 while playing in all 29 games (26 starts) for the squad, with four doubles, three triples, seven home runs, twenty RBI, four stolen bases, and eleven walks.

In addition, Outman was selected as the August NL Rookie of the Month, making him only the second player in Dodgers history to receive the award twice (Cody Bellinger, May and June 2017).

Accompanying Corbin Carroll with the American League Rookie of the Year Award is Gunnar Henderson.Gunnar Henderson of the Baltimore Orioles won Rookie of the Year in the American League, defeating Tanner Bibee of the Cleveland Guardians and Tristan Casas of the Boston Red Sox in the process.

Henderson joined Carroll as the only winner who received every vote cast in the first place—thirty of them.