Boston Celtics vs Golden State Warriors Game 4: How to watch NBA Finals online for free; Live stream, start time, TV channel

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The Golden State Warriors typically have all the answers at home, but the Boston Celtics are posing a tough problem. After three quarters neither squad has the contest in the bag, but Boston leads 93-89.

The Celtics have been led by shooting guard Jaylen Brown, who so far has 24 points and five assists along with nine rebounds. The Warriors have been relying on point guard Stephen Curry, who has shot 6-for-9 from beyond the arc and has recorded 29 points, and shooting guard Klay Thompson, who has shot 5-for-11 from downtown and has recorded 25 points. Chef Curry does need to be careful, however, as he is in foul trouble with four.

The Boston Celtics have a golden opportunity to take a commanding lead in the 2022 NBA Finals on Friday night.

The Celtics are up 2-1 in their best-of-seven series with the Warriors after defeating Golden State 116-100 at TD Garden in Wednesday night's Game 3. They'll be in front of their home crowd again Friday for Game 4 and will look for a repeat performance from star players Jayson Tatum and Jaylen Brown, who combined for 53 points, 15 rebounds and 14 points in Wednesday's win.

Celtics Pregame Live begins on NBC Sports Boston at 7:30 p.m. ET. Watch the show live here and in the MyTeams app.

Stay with NBC Sports Boston after the game for Celtics Postgame Live. You can watch here and in the MyTeams app.

How to stream Celtics vs. Warriors live online

Celtics Pregame Live stream: NBC Sports Boston

Celtics vs. Warriors: Watch ESPN

Celtics Postgame Live stream: NBC Sports Boston

Mobile app: MyTeams

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History isn't on Boston's side, however. Golden State is 5-0 after losses this postseason with a 15.4-point margin of victory in those games, while the C's have won just three of their last nine games following a victory.

If the Warriors want to continue that trend, they'll need Stephen Curry to battle through an ankle injury he suffered late in Game 3. The All-Star guard, who is averaging 31.3 points through three NBA Finals games, told reporters he expects to play in Game 4.

Here's everything you need to know to watch Friday's Celtics vs. Warriors Game 4, featuring NBC Sports Boston's full coverage, including "Celtics Pregame Live" and "Celtics Postgame Live."