Entering Game 1 of their series against the Boston Celtics, the Milwaukee Bucks were considered the underdogs even though they're the reigning NBA champions. However, Khris Middleton has been forced to missed the series with an MCL sprain in his left knee that he suffered during the second game of their first round match-up with the Chicago Bulls. So with the Bucks set to play the Celtics shorthanded, it seemed fair to assume this would be the case.

Unfortunately for the C's, the Bucks were well prepared and were firing on all cylinders right from the start. Their elite play on both ends of the floor overwhelmed Boston as they had no answer for Milwaukee's continued onslaught. With all this going for the Bucks, we'll now discuss the four keys to their thrashing of the Celtics during Game 1 at TD Garden.

Key reasons behind Bucks' strong showing in Game 1

1. Giannis Antetokounmpo had a dominant performance against the Celtics

With Middleton out of the rotation, the pressure was on franchise superstar Giannis Antetokounmpo to elevate his play and lead Milwaukee to a much-needed road win. To say he rose to the occasion would be a grave understatement. For the second time in his career Giannis posted a triple-double in the playoffs.

From running point-forward and being their primary play maker to dominating on the boards and scoring in a multitude of ways, The Greek Freak absolutely could be not be stopped. His 24 points, 13 rebounds, and 12 assists in Game 1 led the way for the Bucks in their statement win against the Celtics.

2. Brook Lopez was a difference maker for the Bucks down low 

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Slowly working his way back into the rotation, Brook Lopez's presence in the paint gave the Bucks a huge advantage on the boards. Whether he was blocking shots, grabbing rebounds, or finishing strong at the hoop, Lopez made his presence known all throughout the game. Even though his numbers don't show it, Lopez still had a major impact and was essential for the Bucks during their victory on Sunday.

3. Jrue Holiday was a two-way playmaker all game 

Ever since he joined the Bucks last season, Jrue Holiday's value to this team has been truly unmatched. Especially after pouring in 25 points, 5 assists, and 9 rebounds on the day. Holiday definitely gave Milwaukee an edge against Boston in the first game of this series. Not to mention he came up with a few timely steals that shifted the momentum in their favor.

This was huge for the Bucks as it helped the slow down the most explosive team in the conference. As a defensive-minded combo guard who can effect the game in a multitude of ways, Holiday was putting his versatile skillset on full display for the Bucks and came through for them when they needed it most.

4. The road to the 2022 NBA championship goes through Milwaukee 

Until they're officially out of the playoffs, the Milwaukee Bucks are still the team-to-beat in the NBA and the road to the championship goes through them. As a known quantity and a battle-tested bunch, the Bucks are keen on winning back-to-back titles. Their relentless play on both ends of the court were a further testament to this during their rout of Boston in Game 1. If the Celtics thought they had a pushover they know better now. Cause this Bucks squad is as determined as ever and won't be letting up in the slightest.