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Mike Simpson was traded on Mar 25, 1974, when the San Francisco 49ers sent Mike Simpson to the Baltimore Ravens.
The 49ers acquired Mike Simpson from the Colts for a 1976 seventh-round pick.
Mike Simpson has been traded once in his NFL career: Mar 25, 1974: San Francisco 49ers → Baltimore Ravens.
Based on his trade history: San Francisco 49ers, Baltimore Ravens.
To acquire Mike Simpson on Mar 25, 1974, the Baltimore Ravens sent 1976 7th-round pick (originally BAL) (unverified) to the San Francisco 49ers.
Mar 25, 1974: San Francisco 49ers → Baltimore Ravens.