Doc Rivers made his return to the TD Garden on Wednesday morning as an opposing coach for the first time in 10 years. Immediately upon entering his former team's home, he felt a little thrown off by his surroundings.

"I'm used to coming in through the other [Celtics'] doors and used to going to the other side. This is strange already," Rivers said at the Los Angeles Clippers' morning shootaround.

Rivers spent nine years coaching the Boston Celtics before departing in June to take over as coach and senior vice president of basketball operations with the Clippers. He made it clear that he will be battling emotions when he faces off with his former team Wednesday night.

"It's going to be a hard night," he said. "I already told my coaches that it's going to be hard. You don't spend nine years in one place and win a title, and have the emotions you have toward the cities and the fans, and be normal when the game starts. It's just not going to happen, at least I don't think so. I've already prepared my coaches to be good coaches tonight because it's going to be too tough for me."

Rivers' exit from Boston was anything but smooth. He went back and forth on whether he wanted to spend his future coaching a rebuilding team in Boston or with a contender on the West Coast before eventually coming to an agreement with Boston president of basketball operations Danny Ainge and the Clippers (the Celtics received the Clippers' first-round pick in 2015 in exchange for Rivers).

Rivers and Ainge have slightly differing versions of the events that preceded his departure. The Boston fans will likely stand and cheer Rivers for what he meant for the franchise, but there will be those who think he walked out on the team with three years remaining on his contract.