The England head coach made the announcement after the squad met at Pennyhill Park to review their 19-9 defeat to Ireland in Dublin on Sunday.
We feel they will benefit from some game time and the chance to put themselves in contention for the Scotland match.
They also trained at their Surrey base ahead of their RBS 6 Nations clash with Scotland at Twickenham on 14 March as well as undergoing medical assessments.
Lancaster also confirmed that Harlequins full-back Mike Brown could return to full training this week.
The 30-year-old was ruled out of the Ireland clash after failing to overcome concussion symptoms from their win over Italy at Twickenham.
Northampton Saints centre Luther Burrell will miss training on Wednesday.
“We reviewed the game as a whole squad and trained this afternoon,” Lancaster said.
“Luther Burrell has a calf strain and will not train tomorrow.
“Mike Brown has progressed well and we hope to have him back in full training on Friday.
“The majority of the bench players and non-match day 23 will be released back to their clubs over the next 24 hours and be available for this weekend’s Premiership games.
“We feel they will benefit from some game time and the chance to put themselves in contention for the Scotland match and we will give an update on those players tomorrow.”
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