Jonathan Martinez Stats & Bio | Guardians Second Base

About Jonathan Martinez

Jonathan Martinez brings youthful energy and precision to the Cleveland Guardians as their starting second baseman, wearing number 6 with pride. Born on August 16, 2006, in Orlando, Florida, Martinez represents a new generation of homegrown American talent making an immediate impact at the major league level. At just 5'9" and 131 pounds, he proves that size is no barrier to competing at baseball's highest level. Bypassing the traditional college route, Martinez dedicated himself entirely to professional development, allowing his natural athleticism and sharp instincts to sharpen through competitive play. His quickness around second base and disciplined approach at the plate have drawn attention from coaches and fans alike. At just 18 years old, Martinez's ceiling remains extraordinarily high, and the Guardians are excited to watch him grow into a cornerstone of their franchise.

Updated: Mar 16, 2026