Jurgen Klopp believes Adam Lallana and Daniel Sturridge are ready to start after respective comebacks.
Hammers boss has also provided an update on injured midfielders Mark Noble and Cheikhou Kouyate.
The 27-year-old has agreed two-year extension following links with Chelsea and Manchester United.
Henderson has not played for the Reds since 11 February.
Manuel Lanzini's second-half strike effectively ends the title race and gives Slaven Bilic a huge boost.
West Ham United face Tottenham Hotspur in the Premier League clash on 5 May.
Rafinha, 31, has a little over a year left on his contract at Bayern Munich.
The 28-year-old has missed his side's last two games with a groin injury.
Sturridge looks destined to leave the Reds in the summer.
The Liverpool striker is an option for the Hammers says manager Slaven Bilić.
St James' Park and the London Stadium were the subject of warrants.
Blues have a relatively small squad when compared to their close rivals.
Bilic also revealed that Winston Reid is back in contention.
Terry will leave Chelsea at the end of the season.
Ospina's injury setback forced Wenger to field Emi Martinez against West Ham United.
Wilshere has recently lost his place in Bournemouth's starting line-up.
Tottenham and Leicester also in action during the 3pm kick-offs.
Bentley also says Spurs are on a par with the Gunners are years of living in their shadow.
Hammers will welcome back Mark Noble on Saturday as they seek to end five-game winless run at Hull.
Hammers stress Senegalese forward will need time to rebuild fitness after injury-riddled campaign.
Sturridge, 27, has played just 14 league games for Liverpool this season.
Gareth Southgate has food for thought ahead of the international break.