Celtics vs. 76ers: Jaylen Brown gambled at the worst possible time, and James Harden burned him

After erasing a 16-point deficit to force overtime, the Boston Celtics were in position to either defeat the Philadelphia 76ers to take a 3-1 series lead, or at the very least head into a second overtime, in Game 4 Sunday afternoon. But then, in an instant, Jaylen Brown committed what proved to be a catastrophic error, leaving James Harden wide open in the corner for a potential game-winning 3-pointer with under 20 seconds to play. Harden, who finished with 42 points, took advantage, sinking the three that wound up sinking Boston. JAMES HARDEN GAME-WINNER. 42 POINTS IN THE GAME 4…