Washington, May 12 -- Shai Gilgeous-Alexander scored 35 points as the Oklahoma City Thunder held off the Los Angeles Lakers 115-110, completing a four-game sweep to advanceto the NBA Western Conference finals.

Ajay Mitchell had 28 points, including 10 in the fourth quarter. Chet Holmgren and Jared McCain added 16 and 13 points, respectively.

The Thunder opened the second quarter on a 17-0 run to take a double-digit lead before going into halftime ahead by four. The Lakers took control after the break, carrying a four-point lead into the fourth quarter on Monday.

The Thunder tied the game midway through the final period on a McCain 3-pointer and held on to take the series-clinching victory. Lakers star LeBron James, 41, had 24 points and ...