Monday, January 26, 2026

DrB's 2026 Giants Top 50 Prospects: #19 Argenis Cayama

19.  Argenis Cayama RHP.  DOB:  9/15/2006.  6' 1", 180 lbs.  Rule 5 Eligible Dec. 2028.

2025(ACL):  1-1, 2.25, 48 IP, 10.31 K/9, 3.38 BB/9, 3.32 GB/FB.
2025(A):  1-0, 8.16, 14.1 IP, 4.40 K/9, 6.28 BB/9, 2.69 GB/FB. 

Cayama is drawing some national buzz with MLB Pipeline rating him the Giants #9 prospect.  Put up elite numbers in the ACL before a late season stumble after promotion to A San Jose.  Cayama is praised for an advanced feel for pitching.  He leads with both 4 and 2 seam fastballs which range from 92-97 MPH, a tight slider and a promising changeup.  Even after his promotion he maintained elite groundball rates.  He should be assigned to A San Jose to start 2026 and will try to master that level at age 19.

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