favorites facing elimination are 50-72-2 ATS (71-53 SU) going back to 1991. Those faves down 3-2 in series 26-41 ATS (35-32 SU)
There have been 6 NBA Finals teams, down 3-2 in series, that were Game 6 favorites in last 25 years. Those teams went just 1-5 ATS (3-3 SU).
favorites of -3 or smaller facing elimination (not Game 7) 12-25 ATS since 91. Faves of -3 or smaller down 3-2 in series 9-17 ATS