Jon Hyman on LinkedIn: #whistlewhilewework #walkupsongs
Trevor Hoffman taking the mound to Hells Bells by ACDC
How Sparky Lyle launched closer entrance music
Red Sox Executive VP to speak at Evening with the Red Sox - Fort
Trevor Hoffman Elected to HOF
In the Margins of the Brad Brach interview
Annie Heilbrunn & Bill Center on Hoffman's Hells Bells entrance
How Sparky Lyle launched closer entrance music
MLB: Top 10 baseball walk-up and entrance music – Press Enterprise
The secrets behind baseball's walk-up music – The Denver Post
Trevor Hoffman Hells Bells 09.26.2010
Trevor Hoffman - Wikipedia
A look at Ryan Helsley's new closer entrance : r/baseball
The 'Narco' Story: How the Mets' Edwin Diaz Helped Make a Song