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Kevin, I'm a Canon shooter, so I don't know what your cameras are capable of, but all of these, even #7 which is a static shot, are soft, which I assume is due to a too slow shutter speed. For college players, at a bare minimum, you need 1/620 (although you will have motion blur on the ball and some limbs at that speed).
On the plus side, you did a good job of capturing peak action on most of these. As far as #3, shots with faces are much more compelling. I would ditch #2, as it is nothing special.
Keep trying and I bet you will rapidly improve.