Lagace was sent down to AHL Providence on Saturday.
The Bruins have recalled Lagace on an emergency basis, Joe Haggerty of NBC Sports Boston reports.
Lagace has a 10-2-2 record with a .922 save percentage with AHL Providence.
Lagace has been assigned to AHL Providence.
Lagace signed a one-year, two-way contract with the Bruins on Monday, Renaud Lavoie of TVA Sports reports.
The Golden Knights reassigned Lagace to AHL Chicago on Tuesday, Jesse Granger of The Athletic reports.
Lagace was called up from AHL Chicago under emergency conditions Sunday.
Lagace was reassigned to AHL Chicago on Monday, TSN reports.
Lagace was recalled by the Golden Knights on an emergency basis Sunday, David Schoen of RJ Sports reports.
Lagace was shipped down to AHL Chicago on Friday.