August 25-31, 2026

Mason Adams (RHP, COL)

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
 

August 25, 2026

Mason Adams (RHP, Colorado Rockies)
The Rockies are calling up 26-year-old Adams, who returned this year from a 2025 season lost to Tommy John surgery. Colorado is putting Kyle Freeland on the IL, so Adams will take Freeland's rotation slot. Adams produced a 3.48 ERA with a 24.3% strikeout rate and 8.8% walk rate across 62 innings and four levels this year,...

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