"Former Yankees and Mets strength coach Jeff Mangold recounts his days training the Yankees and describes the characters and players from those teams"--

Jeff Mangold served as the head strength and conditioning coach for the New York Yankees from 1984 to 1988 and from 1998 to 2006. During his tenure, the Bronx Bombers won nine straight American League East titles, appeared in five World Series, and won three World Series championships in 1998, 1999, and 2000. Mangold also worked for the New York Mets from 1993 to 1996 and designed the strength and coaching facilities at both Yankee and Shea Stadiums. He lives in Oakland, New Jersey.

Peter Botte has been writing about New York sports for over 30 years, covering the Yankees, Knicks, and Islanders. He currently writes for the New York Post, and his work has also appeared for the New York Daily News, SportsNet New York, and Newsday, among others. He is the author of The Big 50: New York Yankees.

A 13-time All-Star, Mariano Rivera pitched for the Yankees from 1995 to 2013. In 2019, he was inducted into the Hall of Fame following a unanimous vote.