Can you please point out the correct sentence between the two?

Outdoor games such as football, which helps in keeping the body healthy, are also essential to the mental health of a child.

Outdoor games such as football, which help in keeping the body healthy, are also essential to the mental health of a child.

I understand that which should modify the entity just before the comma. I also understand that which can jump few words and refer to a word a little far away if the group of words conveys a single meaning. (Walls of the citadel, Micheal from France)

What about the group of words as the above? Here also which can refer to the outdoor games?