WOW Zulily has Franklin Sports Equipment marked up to 75% off right now. You can grab soccer balls and footballs as well as bigger items like hockey goals and croquet sets. Items start at $7.99 so you should be able to find some nice deals.
You can also use the following codes to save even more:
GAZU512 – $5 off a $50 order
FREESHIPZU412 – FREE shipping on order $60+
shopmomzu562 – 10% off $50+