There are multiple reasons the Toronto Raptors have beaten the Milwaukee Bucks three times in a row and now are one win away from the franchise’s first trip to the NBA Finals.

Kawhi Leonard and his play — particularly his defense on Giannis Antetokounmpo — is a huge one. So is the Raptors incredible halfcourt defense, which has held the Bucks to an 84.3 net rating on halfcourt possessions in this series. When the Raptors have been able to slow the game down (which they have done very well the last two games, with possession totals in the mid-90s) they win.

Just don’t forget about the Raptors bench.

Fred VanVleet, Serge Ibaka, and Norman Powell — the three guys coach Nick Nurse leans on in his regular rotations — have been critical for the Raptors, and if they are again on Saturday night in Toronto it will lift the franchise to a place it has never been before.

Toronto’s starters are -23 in this series. That fivesome — Kyle Lowry, Danny Green, Leonard, Pascal Siakam, and Marc Gasol — were -10 in Game 5, struggling against an impressive Milwaukee starting lineup.

In Game 5, it was the Raptors’ bench that led the comeback after the Bucks’ fast start. It has been that way all series. Lineups that have at least one of those core three Raptors bench guys on the floor are +30 this series. Lineups with all three of them on the court together are +12.

Different guys are stepping up each game. In Game 5 it was VanVleet’s turn. After a rough few games in this series, he got to Milwaukee late after being with his wife for the birth of their son, then proceeded to knock down 7-of-9 threes in Toronto’s come-from-behind win.

“He oozes the confidence that spreads to the other guys,” Toronto coach Nick Nurse said of VanVleet. “Again, he just stepped into the shots that were there tonight, and he was probably due to get hot in these playoffs. It’s been probably a long time coming. Great game by him.”

Toronto’s bench — and Leonard — are key reasons that this team responded to adversity, going down 0-2 in the series and bouncing back. It’s the experience of having been there before, having dealt with the pressure before, learning about themselves because they have been tested like this in previous years. Leonard and Green have rings from San Antonio, Gasol has been to conference finals in Memphis, Lowry has been there through all the Raptors struggles in recent playoffs. On the bench, Ibaka has seen plenty, and these guys have not been fazed by the moment.

It’s the test the Bucks are facing now — this group had never been challenged like this. Their athleticism and Antetokounmpo’s MVP-level season propelled this team to the best record in the NBA, then they swept through the first two rounds of the playoffs with an 8-1 record. After that, they beat the Raptors the first two games of this series.

However, now they have lost three in a row for the first time all season and they are learning about their weaknesses. The Bucks entire offense is based around the idea that nobody can slow Antetokounmpo one-on-one, except that Leonard has done just that. The Greek Freak has shot 35.5 percent this series (11-of-31, via Second Spectrum data) when Leonard has been his primary defender. Antetokounmpo also hasn’t found shooters and those guys have not hit the passes he does make, particularly in the halfcourt. Toronto has controlled the tempo the past few games, and when Antetokounmpo isn’t getting easy buckets in transition the Milwaukee offense stumbles. Toronto also has taken care of the ball and hit shots, with Leonard getting to his spots on the floor, which has limited the Bucks transition chances.

The Bucks need to make adjustments — finding ways to get Antetokounmpo the ball with better matchups, not having him attack from the top of the key every time and giving him some picks to force switches — and they need another ball handler, such as Eric Bledsoe or George Hill, to have a monster game. Khris Middleton and Malcolm Brogdon can and should do a little more shot creation.

And Milwaukee has to contain that Raptors bench and not get beat so badly when they are on the floor.

If not, the Bucks will be on vacation in Cabo next week while the Raptors are still playing.