Crowd of 1.3 million celebrates Cavs title at downtown parade

JR Smith ... still shirtless (0:31)

From the Cavaliers' pit stop in Las Vegas to arriving in Cleveland as champions for the victory parade, one thing has remained constant -- JR Smith is still shirtless. (0:31)

CLEVELAND -- LeBron James and the rest of the NBA champion Cleveland Cavaliers were honored with a downtown parade Wednesday as the city celebrated its first major professional sports title since 1964.

A crowd of approximately 1.3 million, some who had slept on sidewalks overnight to get a good view, packed downtown Cleveland like never before, spilling off sidewalks into streets along the 1.3-mile parade route that took more than four hours to crawl through, concluding with a rally at Mall B.

The Cavaliers ended the city's 52-year title drought on Sunday night by upsetting the defending champion Golden State Warriors at Oracle Arena 93-89 in Game 7 of the NBA Finals.

"For some crazy reason, I feel like I'm gonna wake up and it's going to be Game 4 again," with the Cavs down 2-1 to the Warriors, James told the crowd before thanking each of his teammates one by one.

"I'm nothing without you all. I love all of y'all," James said to the fans. "Get ready for next year."

The downtown parade, with James and Kyrie Irving riding in style in Rolls-Royces, began outside Quicken Loans Arena before heading up East Ninth Street and to Mall B.

The rally ended with Browns great Jim Brown passing James the Larry O'Brien trophy, a symbolic passing of the torch for Cleveland sports icons.

Irving gave props to James' block on Andre Iguodala that set up his 3-pointer to take the lead for good in Game 7. James raved about Irving but also Kevin Love's defense in the final moments against NBA MVP Stephen Curry. And Richard Jefferson, who said after winning the title that he planned to retire, got caught up by crowd chants of "one more year" and told them if they wanted him back, he'd return.

"I wouldn't trade it for the world," Irving said.

Cavaliers owner Dan Gilbert thanked James for his leadership and for returning to Cleveland in 2014 after spending four seasons with the Miami Heat, and general manager David Griffin, who engineered key trades and made the controversial decision to fire coach David Blatt in midseason and replace him with Tyronn Lue, took the microphone to say that "we had to be all-in to find our collective greatness."

Griffin said he thinks two seasons of success for the Warriors helped push Cleveland to its full potential.

"I think it took a team that good to force us to the brink, to force us to ignore the noise," Griffin said.

Cleveland's close calls since 1964 have gained infamous nicknames: Red Right 88, The Drive, The Fumble, The Shot, The Move and The Decision are a part of the city's troubled sports lexicon. The Browns lost three AFC titles to Denver from 1986-1989; the Indians were beaten in Game 7 of the 1997 World Series in extra innings; and the Cavs got swept in the 2007 Finals before losing to the Warriors in six games a year ago. Art Modell packed up the beloved Browns in 1995 and moved them to Baltimore.

Griffin said the city's famously bad plays have been replaced by The Block, The 3 and The D.

Lue thanked the fans on the part of the organization and shouted out, "We did it, baby!'' before thanking his coaching staff and his behind-the-bench staff.

The parade, which featured 60 floats, began with a truck spraying confetti into the crowd and was followed by Ohio State coaches Urban Meyer and Thad Matta and the Buckeyes' marching band. Not far behind were the Lake Erie Monsters, who won the AHL's Calder Cup this season.

Fans stood on rooftops and portable toilets, and hung out of office building windows hoping to get a glimpse of James, who rode in the Rolls-Royce convertible with his wife, Savannah, and their three children. Near the start of the route and just feet from where his iconic, 10-story banner hangs, James, wearing a gold cap and chomping on a cigar, stood and posed with his arms outstretched just as he does on the giant mural.

Love hoisted two WWE wrestling championship belts along the route, and J.R. Smith celebrated by again going shirtless, showing off his many tattoos to the crowd. Players left their transport vehicles to high-five fans, threw beads, danced and reveled in the moment along with the crowds.

Fan Love Epic #cavsparade

A photo posted by JR Smith (@teamswish) on

The fans -- many dressed in the team's wine-and-gold colors -- moved into the area in droves at around 9 a.m. trying to find the best location to watch the rally. The crowd was so large near Quicken Loans Arena that the parade was delayed because the open-air vehicles that were supposed to carry the Cavaliers were having difficulty getting through to the staging area.

James, 31, was named Finals MVP after averaging 29.7 points, 11.3 rebounds and 8.9 assists during the series. He will be honored in his hometown of Akron on Thursday with a rally.

James played his first seven professional seasons in Cleveland after being selected No. 1 overall by the Cavs in the 2003 NBA draft. He then angered the city by leaving in free agency for the Heat in 2010. James won two championships in his four seasons with the Heat before returning to Cleveland in 2014. Two seasons later, he delivered on his promise to bring a title to Northeast Ohio, cementing his legacy in Cleveland as a result.

Cleveland has suffered many heartbreaking sports moments over the years. But more than five decades after Jim Brown led the Browns to the 1964 NFL championship, the city is back on top of the sports world again.

The Cavaliers were greeted by around 10,000 fans when their team charter plane landed at Cleveland Hopkins International Airport on Monday morning.

Every hotel downtown was sold out Tuesday.

The Associated Press contributed to this report.