The world of Major League Baseball is mourning the loss of former player and manager Bob Boone. Boone, who is the father of New York Yankees manager Aaron Boone, passed away at the age of 78. Former MLB star Bret Boone is paying tribute to his dad.

“My dad- He was my mentor, my coach, my rock. He taught me how to be a pro and more importantly, how to be a man. He was one of the highest integrity people I’ve ever known and I’m going to miss him dearly. Baseball lost a great one yesterday. R.I.P dad, I love you,” Bret Boone posted to X, formerly Twitter, on Tuesday.

The Yankees also released a statement honoring Bob. Bob played in MLB for close to 20 years, and won a World Series playing for the Philadelphia Phillies.

During his playing career, he was named an All-Star four times. Bob Boone also won the Gold Glove Award seven times. Following his days as a player, he worked as a manager for the Kansas City Royals and Cincinnati Reds.

During his MLB career, Bob posted 105 home runs and 826 RBIs. He was a catcher.

“His legacy is profound, and we can see the values he embodied carried forward by his son, Aaron, in his leadership of the Yankees. Our entire organization joins the baseball community in extending its heartfelt condolences to the entire Boone family and all who had the privilege of being touched by his friendship,” the Yankees said in part in their statement.

Bret Boone also played in MLB, just like his dad. Bret played for the Seattle Mariners and several other teams. He also worked as a coach for the Texas Rangers in 2025.