The man whom Tom Brady has credited for extending his legendary NFL career is now persona non grata in the eyes of Bill Belichick, according to a report.
The Boston Globe reported Tuesday that Alex Guerrero, Brady’s trainer, close friend and business partner who helped launch the quarterback’s TB12 Center, has been banned from boarding Patriots jets and accompanying the team on the sidelines.
Guerrero, who has treated Brady and several other New England players at the TB12 Center near Gillette Stadium since 2013, also has an office inside the stadium close to the team’s locker room. However, Guerrero is also no longer permitted to treat players other than Brady in his stadium office, per the report.
Belichick reportedly stripped Geurrero of his privileges weeks ago, though the exact reasons and their timing remain unclear.
Tom Brady and Bill Belichick through the years
Tom Brady and Bill Belichick through the years
CHARLOTTE, NC - AUGUST 18: New England Patriots head coach Bill Belichick holds a sideline meeting with quarterbacks Tom Brady and Drew Bledsoe during the fourth quarter of Saturday's NFL preseason game with the Carolina Panthers played in Charlotte. (Photo by John Bohn/The Boston Globe via Getty Images)
NEW ORLEANS, UNITED STATES: New England Patriots' quarterback Tom Brady celebrates with head coach Bill Belichick (R) after their win over the St. Louis Rams 03 February, 2002 in Super Bowl XXXVI in New Orleans, Louisiana. The Patriots defeated the Rams 20-17 for the NFL championship. AFP PHOTO/Jeff HAYNES (Photo credit should read JEFF HAYNES/AFP/Getty Images)
Head coach Bill Belichick and the coaching staff give frantic last second instructions to New England Patriots quarterback Tom Brady during the final drive of the game vs. the Chicago Bears 11/10/2002. Brady went on to throw a 20 yd. touchdown pass to wide receiver David Patten to beat the Bears 33-30.ï¿½ Don Lansu. (Photo by Don Lansu/Getty Images)
NFL Football - New England Patriots head coach, Bill Belichick, Tom Brady against Pittsburgh Steelers during the AFC Championship at Heinz Field in Pittsburgh, Penn., on Jan. 25, 2005. Patriots won 41-27. (Photo by Sporting News/Sporting News via Getty Images)
JACKSONVILLE, UNITED STATES: Head coach Bill Belichick (L) of the New England Patriots and quarterback Tom Brady (R) talk 06 February 2005 after winning the Super Bowl XXXIX at Alltel Stadium in Jacksonville, Florida. The Patriots defeated the Philadelphia Eagles 24-21 to win their second straight Super Bowl and third in four years. AFP PHOTO/Jeff HAYNES (Photo credit should read JEFF HAYNES/AFP/Getty Images)
New England Patriots quarterback Tom Brady and coach Bill Belichick celebrate after 24-21 victory over the San Diego Chargers in AFC Divisional Playoff game at Qualcomm Stadium in San Diego, Calif. on Sunday, January 14, 2007. (Photo by Kirby Lee/Getty Images)
FOXBOROUGH - OCTOBER 20: During the Patriots practice on the practice field at Gillette Stadium, coach Bill Belichick (left) talks with Tom Brady. (Photo by John Tlumacki/The Boston Globe via Getty Images)
FOXBOROUGH, MA - JANUARY 22: New England Patriots' coach Bill Belichick hugs Tom Brady (#12) after winning the game against Baltimore Ravens on Sunday, Jan. 22, 2012 at Gillette Stadium in Foxborough, Mass. (Photo by Stan Grossfeld/The Boston Globe via Getty Images)
BUFFALO, NY - SEPTEMBER 30: New England Patriots head coach Bill Belichick applauded New England Patriots quarterback Tom Brady (#12) after Brady's touchdown pass to New England Patriots wide receiver Brandon Lloyd (#85) in the fourth quarter as the Patriots took on the Buffalo Bills at Ralph Wilson Stadium. (Photo by Barry Chin/The Boston Globe via Getty Images)
FOXBORO, MA - SEPTEMBER 22: Bill Belichick of the New England Patriots confers with Tom Brady #12 during a time out in the 2nd half in a game with the Tampa Bay Buccaneers at Gillette Stadium on September 22, 2013 in Foxboro, Massachusetts. (Photo by Jim Rogash/Getty Images)
PEBBLE BEACH, CA - FEBRUARY 07: New England Patriots quarterback Tom Brady hits a tee shot on the 13th hole as New England Patriots head coach Bill Belichick looks on during the second round of the AT&T Pebble Beach National Pro-Am at the Monterey Peninsula Country Club on February 7, 2014 in Pebble Beach, California. (Photo by Jeff Gross/Getty Images)
FOXBOROUGH, MA - DECEMBER 14: Patriots quarterback Tom Brady and head coach Bill Belichick share a moment as the final seconds tick off the clock in their victory, which gave them their 6th straight AFC East title. The New England Patriots hosted the Miami Dolphins in a regular season NFL game at Gillette Stadium. (Photo by Jim Davis/The Boston Globe via Getty Images)
GLENDALE, AZ - FEBRUARY 01: Tom Brady #12 of the New England Patriots celebrates with head coach Bill Belichick after defeating the Seattle Seahawks 28-24 during Super Bowl XLIX at University of Phoenix Stadium on February 1, 2015 in Glendale, Arizona. (Photo by Elsa/Getty Images)
GLENDALE, AZ - FEBRUARY 01: Tom Brady #12, team owner Robert Kraft, and head coach Bill Belichick of the New England Patriots celebrate with the Vince Lombardi Trophy after defeating the Seattle Seahawks 28-24 to win Super Bowl XLIX at University of Phoenix Stadium on February 1, 2015 in Glendale, Arizona. (Photo by Tom Pennington/Getty Images)
BOSTON, MA - APRIL 13: New England Patriots quarterback Tom Brady throws the first pitch before the game between the Boston Red Sox and the Washington Nationals as New England Patriots head coach Bill Belichick looks on from left at Fenway Park on April 13, 2015 in Boston, Massachusetts. (Photo by Maddie Meyer/Getty Images)
FOXBOROUGH, MA - OCTOBER 25: With only three days off between games, New England Patriots quarterback Tom Brady (rear) and head coach Bill Belichick (front) will have very little time to get ready for Thursday night's game against the Dolphins. Here they are pictured on the sidelines during Sunday's game against the New York Jets in a regular season NFL football game at Gillette Stadium. (Photo by Jim Davis/The Boston Globe via Getty Images)
FOXBORO, MA - NOVEMBER 13: Tom Brady #12 of the New England Patriots reacts with head coach Bill Belichick during the fourth quarter of a game against the Seattle Seahawks at Gillette Stadium on November 13, 2016 in Foxboro, Massachusetts. (Photo by Billie Weiss/Getty Images)
HOUSTON, TX - JANUARY 30: Head coach Bill Belichick of the New England Patriots and Tom Brady #12 stand onstage during Super Bowl 51 Opening Night at Minute Maid Park on January 30, 2017 in Houston, Texas. (Photo by Bob Levey/Getty Images)
HOUSTON, TX - FEBRUARY 05: Tom Brady #12 and head coach Bill Belichick of the New England Patriots celebrate a 34-28 overtime win against the Atlanta Falcons during Super Bowl 51 at NRG Stadium on February 5, 2017 in Houston, Texas. (Photo by Al Bello/Getty Images)
BOSTON - FEBRUARY 7: New England Patriots quarterback Tom Brady raises a Lombardi Trophy during the rally in City Hall Plaza following the Patriots Super Bowl LI Victory Parade in Boston on Feb. 7, 2017. Head coach Bill Belichick is behind him. (Photo by Stan Grossfeld/The Boston Globe via Getty Images)
FOXBORO, MA - AUGUST 31: Bill Belichick of the New England Patriots and Tom Brady #12 chat before a preseason game with the New York Giants at Gillette Stadium on August 31, 2017 in Foxboro, Massachusetts. (Photo by Jim Rogash/Getty Images)
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When asked Monday about a possible rift between the coach and Guerrero, Brady told WEEI, “I don’t have any comment on that other than to say Alex, it’s been well-documented, has been a huge part of what I do and I’m so fortunate to have him not only as a friend, but with everything that we’ve been able to do together.”
The 40-year-old Brady added that Guerrero, who is the godfather of his son Ben, “has been a huge, huge reason why I’m still playing.”
Belichick declined to address the issue with WEEI on Monday.
The Globe reported in 2015 that Patriots trainers and medical staff took issue with Guerrero’s expanding role with the team. Several staffers complained to Belichick about how Guerrero’s alternative treatments clashed with their own methods. But according to the Globe, Belichick informed the training staff that his hands were tied because of Brady’s special status with the organization.
Guerrero has been a driving force behind Brady’s TB12 brand, which includes the QB’s line of snacks and “performance meals” and his $200 “TB12 Nutrition Manual.”
But the body coach hasn’t been without controversy. A Boston Magazine article in 2015 revealed that before entering into business with Brady, Guerrero was twice sued for fraud after the Federal Trade Commission sued him for making false claims about a nutritional supplement called Supreme Greens.
Guerrero, who according to the FTC had falsely presented himself as a medical doctor, claimed that the product helped people survive cancer, diabetes and heart disease.
After being hit with a $65,000 fine, Guerrero again ran into trouble with the agency after marketing a product called NeuroSafe, which claimed to improve and expedite recovery from head trauma. The FTC took no action against Guerrero after he agreed to stop marketing NeuroSafe and offered refunds to customers.
Patriots owner Robert Kraft told The New York Times Magazine in 2015 that Guerrero’s role with the team “doesn’t come without its challenges.”
On Sunday, however, Kraft’s son and team president Jonathan Kraft reportedly told WBZ-FM that he was unaware of any friction between Guerrero and team employyes.
"I haven't heard anything from either the coaching staff or Alex about either one being upset with each other," Kraft said.