Astros Roster Shake Up: Alexander, Dezenzo, Allen Return; Weiss Optioned, Harris DFA

TL;DR

The Houston Astros have recalled Jason Alexander and Zach Dezenzo from Triple A, while Nick Allen returns from the injured list. Yainer Diaz is on the 10-day IL, Dustin Harris has been designated for assignment, and Ryan Weiss has been optioned to Triple A.

Key points

Jason Alexander and Zach Dezenzo recalled from Triple A
Nick Allen reinstated from the 10-day IL
Yainer Diaz placed on the 10-day IL
Dustin Harris designated for assignment
Ryan Weiss optioned to Triple A

Houston Astros

NEW YORK, NEW YORK - AUGUST 10: (NEW YORK DAILES OUT) Jason Alexander #54 of the Houston Astros in action against the New York Yankees at Yankee Stadium on August 10, 2025 in New York City. The Astros defeated the Yankees 7-1. (Photo by Jim McIsaac/Getty Images) | Getty Images The Houston Astros have announced the following moves to the active roster:

**RHP Jason Alexander** and **OF Zach Dezenzo** have been recalled from Triple A Sugar Land.
**IF Nick Allen** has been reinstated from the 10-day IL.
**C Yainer Diaz** has been placed on the 10-day IL today with a left oblique strain.
**OF Dustin Harris** has been designated for assignment.
**RHP Ryan Weiss** was optioned to Triple A last night. The Astros used Diaz’ IL placement to recall Alexander, who was just optioned to Triple-A May 1, and would have needed to wait 15 days to be recalled had the Astros not placed someone on IL. Alexander will slide into a bullpen desperate for fresh arms. He last pitched April 30th, so he is capable of giving the team multiple relief innings if needed. Harris was 7×31 (.226) with the Astros with a .286 OBP and .576 OPS. Weiss, after another tough outing yesterday, currently sports a 7.62 ERA and 2.12 WHIP, has just awful numbers and has struggled badly in his last 6 appearances. After allowing only 1 run in his first 3 appearances (covering 6 innings) in which he walked 2 and struck out 7, Weiss has been tagged for multiple runs in each of his six appearances since, inflating his ERA from 1.50 to 7.62. In those 6 outings covering 20 innings, Weiss has allowed 21 ER, 18 walks, and a staggering 7 HR.

Q&A

What roster changes did the Houston Astros make recently?

The Astros recalled Jason Alexander and Zach Dezenzo, reinstated Nick Allen, placed Yainer Diaz on the 10-day IL, designated Dustin Harris for assignment, and optioned Ryan Weiss to Triple A.

Why was Yainer Diaz placed on the 10-day IL?

Yainer Diaz was placed on the 10-day IL due to a left oblique strain.

What are Ryan Weiss's recent performance statistics?

Ryan Weiss has a 7.62 ERA and 2.12 WHIP, struggling significantly in his last six appearances with 21 earned runs allowed.