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Dave Costa (DT) has been traded 3 times in his NFL career, most recently on Sep 5, 1974, when the SD sent Dave Costa to the Buffalo Bills. His deals are listed below in chronological order.
Bills trade Dave Costa to the Broncos for a 1967 third-round pick.
Broncos trade Dave Costa to the Chargers for Eddie Ray and a 1973 third-round pick (from San Francisco).
The Chargers sent Dave Costa to the Bills for a 1975 fifth-round pick.
Dave Costa has been traded 3 times in his NFL career: Jan 23, 1967: Buffalo Bills → Denver Broncos; Aug 1, 1972: Denver Broncos → SD; Sep 5, 1974: SD → Buffalo Bills.
Based on his trade history: Buffalo Bills, Denver Broncos, SD, Buffalo Bills.
To acquire Dave Costa on Jan 23, 1967, the Denver Broncos sent 1967 3rd-round pick No. 70 (originally OAK) — became Tom Rhoads to the Buffalo Bills.
To acquire Dave Costa on Aug 1, 1972, the SD sent 1973 3rd-round pick (originally SF) (unverified); Eddie Ray (WR) to the Denver Broncos.
To acquire Dave Costa on Sep 5, 1974, the Buffalo Bills sent 1975 5th-round pick No. 115 (originally BUF) — became John McCrumbly to the SD.
Sep 5, 1974: SD → Buffalo Bills.