Comparing borrowed forms has been an integral part of Baconian study. I'm not sure if specifically these images have been assessed together in that context, but I don't consider them too different to be merely coincidental...
Above left to right:
Left: Chaim Soutine - Street at Cagnes (La Gaude) (detail), 1923
Francis Bacon - Three Studies for a Crucifixion (Right panel) (detail, flipped), 1962
Bottom left to right:
Pablo Picasso - The Old Guitarist (detail, flipped), 1903-04
Francis Bacon - Head I (detail), 1947-48