When the Tour de France coverage kicks off on NBC Sports Network this weekend, it will mark the first time in 33 years that an English speaking audience will not hear the voice and sage insights of Paul Sherwen, who passed away in December, 2018. Long-time insider and supporting desk presenter Bob Roll will join the venerable Phil Liggett in front of the live commentary box cameras when coverage starts from Brussels, Belgium, Saturday, July 6. The transition would appear natural in light of Roll’s veteran experience in the booth and rapport with both personalities, and his deep historical cycling knowledge. Behind the scenes, NBC faces a daunting task to elevate its production game due to the expected impacts of Sherwen’s absence. “Bob knows he can never fill Paul’s shoes. Bob will simply have to cobble together a new pair,” said NBC’s Producer David Michaels, who has helmed the Tour’s...