On July 31, 1965 ā The Orioles release 38 year-old Robin Roberts after he compiles a 5-7 record during the first four months of the season. Next week, the right-hander will be picked by the Astros as a free agent, and the future Hall of Famer will finish the season winning five of seven decisions, posting an ERA of 1.89 for his new team.
Source:
Baseball Reference July 29
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