Sentence:  If Durant signed a <WSD>one-and-one</WSD> and then signed a five-year max next summer, he'd make over $235 million over the next six years. If he signed a <WSD>one-and-one</WSD> and then signed a four-year max using those Non-Bird Rights, he'd make a little over $168 million over the next five years. 
Meaning of the word marked with <WSD> tags:  (sports) A contract in which the player signs on for one year with an option to stay for a second year.