With San Antonio point guard Tony Parker sidelined for approximately four weeks after suffering a sprained left ankle Friday night, the Thunder and Los Angeles Clippers will waste no time maneuvering themselves for a potentially available No. 1 seed in the Western Conference. In the loss column, the Spurs (46-14) own a two-game lead over OKC (42-16) and a four-game advantage over the Clippers (43-18). Currently the No. 2 and No. 3 playoff seeds in the West, the Thunder and Clippers meet at 2:30 p.m. Sunday at Staples Center in a nationally televised game on ABC. Although Parker potentially could miss four weeks, San Antonio holds a significant scheduling advantage with 15 of its 22 remaining games at home. OKC plays 11 of its final 24 games at home. The Clippers play 12 of their remaining 21 games at home.