| 16 Sep 73 | r01        | New England PatriotsNew England P | 13 - 31 | Buffalo BillsBuffalo Bills |
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| 23 Sep 73 | r02        | Los Angeles ChargersLos Angeles C | 34 - 7 | Buffalo BillsBuffalo Bills |
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| 30 Sep 73 | r03        | Buffalo BillsBuffalo Bills | 9 - 7 | New York JetsNew York Jets |
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| 07 Oct 73 | r04        | Buffalo BillsBuffalo Bills | 27 - 26 | Philadelphia EaglesPhiladelphia |
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| 14 Oct 73 | r05        | Buffalo BillsBuffalo Bills | 31 - 13 | Indianapolis ColtsIndianapolis |
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| 21 Oct 73 | r06        | Miami DolphinsMiami Dolphin | 27 - 6 | Buffalo BillsBuffalo Bills |
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| 30 Oct 73 | r07        | Buffalo BillsBuffalo Bills | 23 - 14 | Kansas City ChiefsKansas City C |
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| 04 Nov 73 | r08        | New Orleans SaintsNew Orleans S | 13 - 0 | Buffalo BillsBuffalo Bills |
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| 11 Nov 73 | r09        | Buffalo BillsBuffalo Bills | 13 - 16 | Cincinnati BengalsCincinnati Be |
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| 18 Nov 73 | r10        | Buffalo BillsBuffalo Bills | 0 - 17 | Miami DolphinsMiami Dolphin |
| 25 Nov 73 | r10        | Indianapolis ColtsIndianapolis | 17 - 24 | Buffalo BillsBuffalo Bills |
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| 02 Dec 73 | r12        | Atlanta FalconsAtlanta Falco | 6 - 17 | Buffalo BillsBuffalo Bills |
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| 09 Dec 73 | r13        | Buffalo BillsBuffalo Bills | 37 - 13 | New England PatriotsNew England P |
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| 16 Dec 73 | r14        | New York JetsNew York Jets | 14 - 34 | Buffalo BillsBuffalo Bills |