‘The Jets’ defensive coordinator, Ted Cotrell, has a different philosophy than Coach Herman Edwards. Cotrell made his reputation in Buffalo while using a a 3-4 defense; Edwards has installed a 4-3 defense with the Jets. But Cotrell said Sunday that the Jets’ troubles had less to do with strategy than with performance. “It’s not changing strategy,” Cotrell said. “What else are you going to do? The guys are there and they’re not making the play.”‘