To dream that you are watching football indicates that you have great satisfaction in your work. You will achieve your goals as you progress through your life.
To dream that you are playing football or on a football field represents your competitive nature. Alternatively, you are not getting enough cooperation or support in some area of your life. You are being faced with many demanding challenges.
To dream that you are mowing a football field refers to your desire to make a fresh new start in some competitive area. Perhaps you have been overly competitive or passionate and need to tone it down. If flower heads were spitting out of the lawn mower, then it means that you need to show your softer side.