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5. Brad Ziegler
Credit: Mark J. Rebilas - USATODAY Sports
Arizona's starters have struggled, but the bullpen has not been an issue. Ziegler doesn't have gaudy save numbers because Arizona doesn't have enough wins, but he's performed at an All-Star level all season.
Arizona's starters have struggled, but the bullpen has not been an issue. Ziegler doesn't have gaudy save numbers because Arizona doesn't have enough wins, but he's performed at an All-Star level all season.
4. Paul Goldschmidt
Credit: Getty Images
Goldschmidt may not be performing up to his standards, but the numbers he's putting up still make him one of the best first basemen in the National League and a good bet to be playing in the All-Star Game for a fourth straight year.
Goldschmidt may not be performing up to his standards, but the numbers he's putting up still make him one of the best first basemen in the National League and a good bet to be playing in the All-Star Game for a fourth straight year.
3. Jake Lamb
Credit: Matt Kartozian - USATODAY Sports
Lamb has been one of the biggest surprises in baseball this season and is playing at an All-Star level. Competition at third base will be stiff, but an .876 OPS gives Lamb a great shot at making his way onto the National League All-Star roster.
Lamb has been one of the biggest surprises in baseball this season and is playing at an All-Star level. Competition at third base will be stiff, but an .876 OPS gives Lamb a great shot at making his way onto the National League All-Star roster.
2. Jean Segura
Credit: Getty Images
Segura's move to Arizona has proven beneficial for him, as he is playing the best he has since 2013, when he made the All-Star team for the first time. Segura is fifth in the NL in batting average and once again looks like an All-Star.
Segura's move to Arizona has proven beneficial for him, as he is playing the best he has since 2013, when he made the All-Star team for the first time. Segura is fifth in the NL in batting average and once again looks like an All-Star.
1. Welington Castillo
Credit: Rick Scuteri - USATODAY Sports
Castillo is having the best season of his career, and he's on pace to surpass last year's impressive numbers. He leads National League catchers in home runs, leaving little doubt he'll be on the All-Star team this summer.
Castillo is having the best season of his career, and he's on pace to surpass last year's impressive numbers. He leads National League catchers in home runs, leaving little doubt he'll be on the All-Star team this summer.