sentences:  Mitic signed with the Oakland Clippers of the newly formed National Professional Soccer League in 1967, won the league title, and was named to the NPSL's "Best XI" team.In the off-season the NPSL merged with the United Soccer Association to form the NASL.With the Clippers he was the NASL's 3rd leading scorer in 1968 and again a "Best XI" selection.