Costa was diagnosed with a sublexed ankle, and is scheduled to undergo an MRI on Monday morning. Cota's Week 8 status is unknown, but should gain clarity after the MRI comes back.
Lee sprained the big toe on his right foot, but expects to play in Week 8.
Jones, who filled in for DeMarco Murray, injured his knee in the victory. Jones sat out Dallas' final two drives of the game on Sunday with the injury. Jones' status for Week 8 is uncertain, but it's unlikely that Jones suffered a major injury.
The Cowboys are hopeful that Murray will be ready for Dallas' Week 8 contest against the New York Giants. Murray missed Dallas' Week 7 game, after spraining his foot against the Baltimore Ravens.