Celtics’ ‘backs against the wall’ after fading in 4th

SAN FRANCISCO — So many things went in the Boston Celtics’ favor in Game 5 of the NBA Finals.

Golden State Warriors superstar Stephen Curry didn’t make a 3 for the first time in a postseason game. After struggling with his shot all series long, Jayson Tatum had a good shooting night.

And, for a change, the Celtics not only didn’t get demolished by the Warriors in the third quarter — but outplayed Golden State during…