Sky cricket-rights duel with BT to yield over £1bn with BBC set for live return

• Final offers to be submitted this week for deal running from 2020 to 2024
• Rights have been split into five packages expected to bring in £250m per yearA big money battle between Sky and BT is likely to push the broadcasting deal for English cricket past the £1bn mark and put the BBC in pole position to secure the free-to-air rights put up for sale by the England and Wales Cricket Board.Final offers have to be submitted to Lord’s between 9am and 10am on Wednesday f