I would say a really good job overall with good compositions, the clients should be thrilled.
The things that i see to look out for are:
Missed focus on a few images, perhaps due to limited AF points in your camera. Consider back button focus or focus and recompose. These few areas are hard to see while chimping, but being aware of it, you can compensate for it in the future. #4, her back eye is in focus, not the closest eye. #6 His shoulder is in focus, not his face. If you are spot on with your AF points, check your lens micro adjustment.
#3, the first image seems a little off with the crop on his body and the slight angle/tilt. I can see a wider image shot from a lower angle working well here, especially with a bland sky showing more of the stadium as in #6, perhaps with him getting ready to throw the foot ball or just a wide stance.
#6 is slightly an effeminate pose. I think more of a straight on shot of his back would be a stronger pose.
A nit pick, but in #2 his eyes may be a little over whitened.
I like them all and love the creativity of #7.