Ex-Astros GM Jeff Luhnow deleted cell phone data during MLB's sign-stealing investigation, book reveals | CBS Sports Headlines Ex-Astros GM Jeff Luhnow deleted cell phone data during MLB's sign-stealing investigation, book reveals Luhnow claims he only deleted sensitive material involving his wife, per an excerpt from a new book ESN … Continue reading Ex-Astros GM Jeff Luhnow deleted cell phone data during MLB's sign-stealing investigation, book reveals