The first one in the reposts is by far the best in my opinion. Taken from a low position so the action is coming at and over you. Works well. It is also at ISO 400 and 1/800 so shutter is fast enough to freeze the action.
The last one is at too low a shutter speed and there is motion blur at the extremities (hands and feet). You really need to up the ISO and open the aperture to get the shutter speeds for sport whenever possible.
Metering is always difficult when you have strong sunlight and hard shadows. All the above are over exposed and would have benefited from 2/3 to a stop of faster shutter.
To meter for daylight football I generally do the following:
Camera in Manual mode
Position yourself so the sun is behind you. Ensures subjects are not in shadow.
Open aperture to f4 or similar (depends on lens but f4 is a good starting point)
Meter in partial mode or centre weighted average
Aim camera at grass and meter off the grass ie. set shutter speed to centre meter
Adjust ISO if necessary to get 1/400 (absolute minimum) or better shutter speed
Recheck metering off grass every 10 minutes or so
The above will give you a good starting point and then adjust to taste.
Tape the zoom at the 200mm mark
This forces you to compose and track within the camera rather than cropping afterwards. It also gives you (forces) tight crops when the action is close.
John