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Striker Michy Batshuayi could make his first Chelsea start.
Manager Antonio Conte is expected to make plenty of changes, though midfielder John Mikel Obi is unavailable following his involvement in the Olympics with Nigeria.
Bristol Rovers hope to add winger Billy Bodin (illness) to their squad after he missed Saturday’s League One trip to Southend.
Manager Darrell Clarke has no new injury worries.
- Bristol Rovers won the last meeting between these sides, in a second-tier match back in March 1981 (1-0).
- Chelsea have won their past eight League Cup ties against lower-ranked opposition, since losing on penalties to Burnley in November 2008.
- Bristol Rovers have not reached round three of the League Cup since 2000-01, where they eliminated Premier League side Everton at this stage via penalties.
- This is the first time Chelsea have played in round two of the League Cup since the 1996-97 season, when they beat Blackpool 5-4 on aggregate before losing out to Bolton in the third round.