Premiere Pro Keyframes Jumpy

[Nyla26012010o2rt]

Hello Everyone, 

I am creating a video clip of a lacrosse player scoring a goal.  I recorded the footage with my Sony A7iii at 120 fps.  This is what I typically use to shoot video and always create clear, crisp videos with Premiere Pro.

For some reason, the last couple of days, when I make a video and use keyframes, the result is a jumpy video where the keyframes are.  Its horrible!  I have no other effects on.  I shoot horizontally and then create a 1080 by 1920 video to post to Insta.  

I use the keyframes to keep the player and ball in the center of the video.  I have googled and tried to fix this using rendering and time interpolation with no luck!

Any ideas?!

I have attached my video example. You can see where it is jumpy where the keyframes are.  So frustrating!