A lot of Boston Celtics fans were left frustrated by the outcome of the team’s 2018-19 campaign. Apparently, even Celtics owner Wyc Grousbeck was upset with how things ended, adding that the disappointing conclusion of the 2018-19 season is something that he will remember for the rest of his life, per Nick Friar of WEEI Radio.

“I will never forget last year. There are good years I won’t forget. I won’t let anybody else forget them either, the good years. But last year was a year that was frustrating enough that I’ll never forget it. But I’ll be glad to talk about something else by playing better. The only way to erase some of it is to step forward over the next five, 10 years and do something meaningful. It gives me all the more reason, it gives all of us all the more reason to get back to where we want to be.”

Last season, the Celtics were touted as one of the best teams in the league and some people believed that they had what it takes to win the NBA championship. However, they were severely inconsistent throughout their campaign, going through stretches during the season in which they looked like a championship contender, but there were times when they can’t even beat lottery-bound teams. And although they have swept the Indiana Pacers in the first round of the playoffs, they were quickly dismantled by the Milwaukee Bucks in the Eastern Conference semi-finals.

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The Celtics’ roster last season was led by All-Star guard Kyrie Irving, as well as the young core of Jayson Tatum, Jaylen Brown, and Marcus Smart. Talent-wise, they had the potential to be extremely good. Unfortunately, they weren’t able to co-exist, which led to Irving leaving the team to join the Brooklyn Nets.

Next season, the Celtics will be a completely different team. Aside from Irving, several key players from last season’s squad are gone. They have another All-Star guard in Kemba Walker, together with a set of rookies that looked impressive during last month’s Summer League.

How good will they be? Only time will tell, but Grousbeck hopes that they will be a much, much better team this time around.