Italia understands Chelsea are willing to pay €50m plus €10m in bonuses to land the two players, with former Manchester City striker Dzeko ready to make a return to the Premier League with the Blues.
Chelsea are also open to letting Michy Batshuayi go on loan to the Serie A side to help facilitate the deal.
ews understands Chelsea are the only club Dzeko is prepared to leave Roma for.
Dzeko, 31, has scored 12 goals for Roma this season, including a double against Chelsea at Stamford Bridge in the Champions League in their 3-3 draw in October.
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