Answer:
you can throw me away but I will always be coming back
score in end zones.
I am an object which is used in baseball during the day I can't be seen at all
What has words but never speaks?
I drift forever with the current and flows to your everyday life. I make living easy but I am good at killing people too.
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?