

SidelineSwap
Shop deals up to 70% off on the SportsEngine Gear Marketplace, or list in seconds.
Our promise to Sellers
We empower every athlete, parent, coach, and small business to sell. Whether you're just clearing out last season's gear, looking for a way to keep product on the field and out of a landfill, or building a sporting goods business, we're here to deliver the best selling experience in sports.
Our promise to Buyers
We strive to offer customers the best selection of inventory, at the best prices, with all the information you need to confidently make your next purchase and perform at your best.