Sergio Leone and Sergio Donati made 2 films together, averaging 7.96, 1.01 above their career marks. The best is Once Upon a Time in the West at 8.3.

Sergio Leone averages 7.78, Sergio Donati averages 6.12. Apart that suggests 6.95; together they average 7.96, a lift of +1.01.

Lift is the average of their films together minus the mean of their two career averages.