June 23-29, 2026

Miguel Ullola (RHP, Houston Astros)

The players covered in this column are only those who still have rookie status as determined by MLB, and who have not already been written up earlier in 2026. Find previous Call-up profiles on the Content tab of the player's PlayerLink page. 

Contributing writers: Chris Blessing, Matt Cederholm, Nick Richards, Mark Sherrard, and Matthew St-Germain
 

June 29, 2026

No call-ups. 
 

June 28, 2026

Miguel Ullola (RHP, Houston Astros)
Ullola began the year at Triple-A as a starter, but after posting a 6.21 ERA while walking 29 batters in just 37.2 innings (10 starts), the Astros shifted him to the bullpen. He fared better there, with a 2.70 ERA across 10 innings, including a 16/6 K/BB ratio. He features a 92-94...

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