The Arizona Diamondbacks are becoming a family business.

Earlier this week (and confirmed on Friday by insider Francys Romero), the D-backs officially inked Yeraldo Perdomo — the teenage brother of All-Star shortstop Geraldo Perdomo — to a free agent contract, with a $40,000 signing bonus.

The Arizona Diamondbacks have officially signed Dominican OF Yeraldo Perdomo, brother of MLB infielder Geraldo Perdomo.

Bonus deal: $40,000.

A right-handed hitting corner outfielder with power potential. pic.twitter.com/gxmFi0705s

— Francys Romero (@francysromeroFR) May 8, 2026

This signing had been expected for some time, and was initially reported in January of 2026 . But the deal was not made official until this past week.

Diamondbacks sign Yeraldo Perdomo to free agent deal

May 6, 2026; Phoenix, Arizona, USA; Arizona Diamondbacks shortstop Geraldo Perdomo against the Pittsburgh Pirates at Chase Field. Mandatory Credit: Mark J. Rebilas-Imagn Images | Mark J.…