For the Celtics, beating the Thunder and Spurs should be priority #1

OKLAHOMA CITY, OK - MAY 18: Shai Gilgeous-Alexander #2 of the Oklahoma City Thunder plays defense during the game against the San Antonio Spurs during Game One of the NBA Western Conference Finals on May 18, 2026 at Paycom Center in Oklahoma City, Oklahoma. NOTE TO USER: User expressly acknowledges and agrees that, by downloading and or using this photograph, User is consenting to the terms and conditions of the Getty Images License Agreement. Mandatory Copyright Notice: Copyright 2026 NBAE (Pho