When they call you, they don't call you by your individual names but shout at you as a group.
It means it is so well known that there is no need to tell it again.
You may take “spots” literally as locations and positions on the basketball court.
Fallen angels are companies whose stocks are low in price temporarily.
low maintenance means you don't have to do a lot to keep it in good condition.
Buzzard comes to be synonymous to bad luck, especially bad luck involving player injuries.