ATS is a gambling term meaning against the spread. In football this is how many times that team won against the point spread where NE could be 16-0 on the season but 10-6 ATS. IDK what SU means though, glad I could answer part 1 to your question.
SU Agen Football was created in 1922.
SU means WITH
su
Su autorización - Its okay
His as of his pants '' su pantalon''
Su hyun
It can mean "your" (formal) or his, or her.
"Su casa" means "your house."
"Su amigo Pedro" means "his/her friend, Pedro"
"Su mano derecho" means "his/her/your right hand."
Estoy a su bebe in English means I am a baby.
"Su hermana" means "his/her sister" in English.