Mortal Stakes by Robert B. Parker

In this gripping detective novel, private investigator Spenser is hired to uncover the truth behind a potential scandal involving a star pitcher for the Boston Red Sox. As he delves deeper into the world of professional baseball, Spenser discovers a web of deceit, blackmail, and corruption that threatens not only the player's career but also his own life. With his characteristic wit and tenacity, Spenser navigates the dangerous waters of sports and crime, determined to protect his client and expose the truth, no matter the personal cost.