Sources: Day signs endorsement deal with Nike

Nike has signed the best golfer in the world -- again.

Sources tell ESPN.com that the world's largest shoe and apparel company has signed Jason Day to wear its shoes and apparel, including its hat.

The move became possible when Nike suddenly announced last month that it was leaving the equipment business. Day, whose contract is up at the end of the year with TaylorMade-adidas, is happy with his equipment, so he re-signed with TaylorMade. Those who have TaylorMade clubs usually get paired with adidas shoes and apparel. But that has changed as adidas, amidst continued consumer pressure in the golf business, is selling its golf businesses.

Terms of the deal were not disclosed, but once source…