LeBron James is trying to make an eighth straight NBA Finals, with what many consider to be a weaker supporting cast.
Former Cleveland Cavaliers GM said if James makes the Finals this year, it would be "the truest testament to his greatness."
Griffin said James overcoming the mental and physical tolls of so many Finals runs would be "unprecedented."
Throughout NBA history, across the league, players, coaches, and executives warn about the fatigue of making multiple Finals runs.
It's why the Golden State Warriors, now attempting to make a fourth straight Finals, have eased off the gas a bit more this season. Warriors head coach Steve Kerr, who made multiple Finals runs with the Chicago Bulls in the 1990s, continually said it would be a difficult year for his team.
The fatigue that comes with playing from October to June every year, and then picking back up the next fall, only makes LeBron James' accomplishments more impressive.
James has made seven straight NBA Finals, winning three of them. He hasn't had a season end before June since 2010.
This year, he's attempting to make an eighth straight Finals with a considerably less impressive Cleveland Cavaliers squad. Former Cavs GM David Griffin, who oversaw the previous three Finals runs, said if James makes the Finals this year, it may be his greatest accomplishment yet.
LeBron James through the years
LeBron James through the years
File photo of high school basketball star LeBron James getting set for
a foul shot during the annual Jordan Capital Classic high school
all-star game in Washington, April 17, 2003. James will hold a press
conference at his high shool in Akron, Ohio April 25, 2003, where he is
expected to state his intentions concerning the upcoming NBA draft.
James is expected to be the number one pick should he make himself
available for the draft. REUTERS/Gary Hershorn-Files
Lebron James announces his entrance into the NBA draft, during a press
conference at St. Vincent-St. Mary High School in Akron, Ohio, April
25, 2003. The six-foot-eight James, 18, is expected by many to be the
number one selection in the draft on June 26. REUTERS/Jason Cohn
LeBron James (R) shakes hands with National Basketball Association
Commissioner David Stern after being selected by the Cleveland
Cavaliers as the first pick in the 2003 NBA Draft at Madison Square
Garden in New York, June 26, 2003. REUTERS/Shannon Stapleton
Cleveland Cavaliers first draft pick LeBron James speaks with reporters
following a picture session at Gund Arena, in Cleveland, October 2,
2003. REUTERS/Ron Kuntz
Cleveland Cavalier rookie forward LeBron James (23) shoots over New Orleans Hornets defenders Baron Davis (1) and David Wesley (4), in the fourth period of NBA action in Cleveland, Ohio, December 23, 2003. James 22 points was the high scorer for the Cavaliers who defeated the Hornets 97-86. REUTERS/Marc Serota MS
Paul Pierce (R) of the Boston Celtics and LeBron James of the Cleveland Cavaliers chat while the scoreboard is fixed during the fourth quarter of their game at Gund Arena, February 9, 2004. The Cavaliers won, 97-89. REUTERS/Ron Kuntz RK
Cleveland Cavaliers forward LeBron James (C) gets a layup as Seattle Supersonics forward Rashad Lewis (L) and Dallas Mavericks forward Dirk Nowitzki look on, during the first half of the 54th NBA All-Star Game in Denver, February 20, 2005. REUTERS/John Gress JM
Eastern Conference forward LeBron James holds the Most Valuable Player trophy at the 55th NBA All-Star Game in Houston, Texas February 19, 2006. The East defeated the Western Conference 122-120. REUTERS/Lucy Nicholson
Cleveland Cavaliers' LeBron James questions a call during their NBA playoff game against the Washington Wizards in Washington May 5, 2006 Cleveland defeated Washington, 114-113, to advance in the NBA playoffs. REUTERS/Gary Cameron
Forward LeBron James, of the Cleveland Cavaliers, works on his jump shot at morning practice during the first day of training camp for the USA men's basketball team in Las Vegas July 19, 2006. REUTERS/Mike Blake (UNITED STATES)
Cleveland Cavaliers forward LeBron James (23) shoots over New York Knicks forward Quentin Richardson (L) and guard Stephon Marbury (R) in the fourth quarter of their NBA basketball game in New York's Madison Square Garden, November 13, 2006. REUTERS/Ray Stubblebine (UNITED STATES)
Cleveland Cavaliers' LeBron James is seen on the court during the first half of an NBA basketball game against the Los Angeles Lakers in Los Angeles, California, February 15, 2007. REUTERS/Danny Moloshok (UNITED STATES)
Cleveland Cavaliers LeBron James goes through his pregame powder ritual prior to the start of Game 2 of their Eastern Conference first round NBA playoff basketball game in Cleveland, Ohio April 25, 2007. REUTERS/Aaron Josefczyk (UNITED STATES)
Cleveland Cavaliers' LeBron James answers media questions before practice for their NBA Finals basketball series against the San Antonio Spurs in San Antonio, Texas, June 8, 2007. REUTERS/Lucy Nicholson (UNITED STATES)
Cleveland Cavaliers LeBron James (L) celebrates after dunking against the New Orleans Hornets David West during the NBA All-Star basketball game in New Orleans, Louisiana February 17, 2008. REUTERS/Jeff Haynes (UNITED STATES)
Cleveland Cavaliers LeBron James (L) is guarded by Chicago Bulls Thabo Sefolosha (R) during the first quarter of their NBA basketball game in Cleveland, April 3, 2008. REUTERS/Aaron Josefczyk (UNITED STATES)
Cleveland Cavaliers LeBron James drives to the basket during the third quarter of their NBA basketball game in Cleveland January 9, 2009. REUTERS/Aaron Josefczyk (UNITED STATES)
Cleveland Cavaliers Lebron James sits with his girlfriend Savana Brinson and son Bryce Maximus during the Rookie Challenge at the NBA All-Star basketball weekend in Phoenix, Arizona, February 13, 2009. REUTERS/Lucy Nicholson (UNITED STATES)
Cleveland Cavaliers' LeBron James speaks after being named the NBA Most Valuable Player during a ceremony at his alma mater St. Vincent-St. Mary High School in Akron, Ohio May 4, 2009. REUTERS/Aaron Josefczyk (UNITED STATES SPORT BASKETBALL)
Miami Heat's LeBron James celebrates after Mario Chalmers scored a three pointer against the Los Angeles Lakers during the second half of an NBA basketball game in Los Angeles, December 25, 2010. REUTERS/Danny Moloshok (UNITED STATES - Tags: SPORT BASKETBALL)
Miami Heat's LeBron James (R) stands with Miami Heat's Dwyane Wade during Game 5 of the NBA Finals basketball series in Dallas, June 9, 2011. REUTERS/Lucy Nicholson (UNITED STATES - Tags: SPORT BASKETBALL)
Miami Heat's LeBron James watches a shot against the Dallas Mavericks through the net during the second half in Game 2 of the NBA Finals basketball series in Miami, June 2, 2011. REUTERS/David J. Phillip/Pool (UNITED STATES - Tags: SPORT BASKETBALL)
Miami Heat's LeBron James dunks against the Washington Wizards in the first half of their NBA basketball game in Miami, Florida December 15, 2012. REUTERS/Andrew Innerarity (UNITED STATES - Tags: SPORT BASKETBALL)
Miami Heat's LeBron James speaks at a press conference after his team defeated the San Antonio Spurs in Game 7 of their NBA Finals basketball playoff in Miami, Florida June 20, 2013. REUTERS/Mike Segar (UNITED STATES - Tags: SPORT BASKETBALL)
Dec 19, 2014; Cleveland, OH, USA; Cleveland Cavaliers forward LeBron James (23) makes a pass against the Brooklyn Nets during the second quarter at Quicken Loans Arena. Mandatory Credit: Ken Blaze-USA TODAY Sports
Cleveland Cavaliers forward LeBron James wears an " I Can't Breathe" t-shirt during warm ups prior to the game against the Brooklyn Nets in Brooklyn, New York, December 8, 2014. Mandatory Credit: Robert Deutsch-USA TODAY Sports/File Photo
June 14, 2015; Oakland, CA, USA; Cleveland Cavaliers forward LeBron James speaks to media following the 104-91 loss against the Golden State Warriors in game five of the NBA Finals. at Oracle Arena. Mandatory Credit: Kelley L Cox-USA TODAY Sports
Jun 19, 2016; Oakland, CA, USA; Cleveland Cavaliers forward LeBron James (23) celebrates with the Larry O'Brien Championship Trophy after beating the Golden State Warriors in game seven of the NBA Finals at Oracle Arena. Mandatory Credit: Bob Donnan-USA TODAY Sports
CLEVELAND, OH - JANUARY 21: LeBron James #23 of the Cleveland Cavaliers pauses on the court during the second half against the San Antonio Spurs at Quicken Loans Arena on January 21, 2017 in Cleveland, Ohio. The Spurs defeated the Cavaliers 118-115. NOTE TO USER: User expressly acknowledges and agrees that, by downloading and/or using this photograph, user is consenting to the terms and conditions of the Getty Images License Agreement. Mandatory copyright notice. (Photo by Jason Miller/Getty Images)
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"If he makes it to the Finals this year with the group he has, it'll be the truest testament to his greatness," Griffin told Business Insider. "Because, mentally, to be able to grind and do the things he's had to do, if he were to do it eight years in a row, it would just be truly unprecedented."
"I think this year in particular because there's been so much turmoil, because it's been such an unsteady year in some ways emotionally, it would be an even bigger feat mentally than it ever has been," Griffin said.
In his 15th season, James has boosted his scoring, rebounding, and assist averages from last year, while maintaining near-career-best efficiency from the field. While the Cavs are a deep team with useful role players, they lack a secondary scorer like Kyrie Irving, who frequently helped out James in the playoffs in past seasons. This year, the Cavs are extra-reliant on James to do all of the heavy-lifting.
As the regular season winds down and the playoffs begin, James is going to have to be extra diligent in staying prepared. Even those who have worked with him say this year might be his greatest challenge yet.