Fine. We can do it your way. I apologize in advance for the LONG post.
Extra angle:
This is from the 9sec mark of the "Extra angle". I outlined #78's leg in red (since its your favorite color). You can see he is coming across the pile up, and is in the act of falling. You will also see that Callier has not yet curled toward the turf.
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At the 10sec mark of the "Extra angle". You can see now that #78 has fallen onto the pile. This is the same point in time that #44 begins to curl his body downward.
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Above shot:
Going back to the above shot, at the beginning of the tackle. We can see #44 is on the ground first. #32, #95, and #33 in white are all on their feet closing in on the qb.
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#95 has now fallen on the pile. #32 and #33 are still closing
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#95 has begun to roll off the QB and #44. #33 is clear of the play. (this one is hard to photograph, so watch the above angle at half speed if you don't believe me.)
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This is right before the knee lands on #44. #44's legs are highlighted in yellow. These can only be his legs because he was the first on the ground, and at the bottom of the pile. You can see #78 dropping his knee as he prepares to stabilize himself as he falls. #33 is clear, #95 has rolled to his side and out of his way, you can see both of his white socks in the blue highlighted area.
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Here you can see #78 is all the way on the ground, and #44 has curled to his left and toward the turf.
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Using both angles in conjunction with one another, I see a very plausible scenario that does NOT involve malicious intent from Jacob Callier.
NOTE: Martinez wasn't giving a "what the hell man?!?" hand gesture. He was reaching towards his lineman trying to get some help getting up. You can see him give up on when no one makes any effort to help him up, and instead sits up on his own.