Who is Alfonsin Rosario and why is he important for the Guardians?

Alfonsin Rosario is a 21-year-old outfielder with significant promise who is participating in the Cleveland Guardians' spring training, aiming to raise his stock.

What are Alfonsin Rosario's minor league statistics?

Across three minor league seasons, Alfonsin Rosario has a slash line of .241/.345/.438 and has shown good defensive skills in center field.

When might Alfonsin Rosario be ready for a Major League call-up?

Alfonsin Rosario is estimated to be two to three years away from a potential Major League call-up, with his performance in spring training and the 2026 season being key factors.

Home / Sports / Guardians Prospect Alfonsin Rosario: Spring Training Star?

Guardians Prospect Alfonsin Rosario: Spring Training Star?

16 Feb

•

Summary

Alfonsin Rosario is a 21-year-old outfielder with promising potential.
He has a minor league slash line of .241/.345/.438 with good defense.
Spring training offers Rosario a key opportunity to raise his stock.

Guardians Prospect Alfonsin Rosario: Spring Training Star?

The Cleveland Guardians are preparing to showcase their non-rostered invites at spring training, with outfielder Alfonsin Rosario expected to draw significant attention. At 21 years old, Rosario has demonstrated considerable promise over his minor league career, achieving a .241/.345/.438 slash line and exhibiting solid defensive skills in center field. His journey with the Guardians began after a trade from the Chicago Cubs, an exchange that underscored the front office's belief in his talent.