He's a hall of famer in every possible way Number one in career saves.World Series MVP. key leader of some of the most successful Major League Baseball teams ever. Mariano Rivera is justifiably viewed as the best closer in baseball history. But there's much more to Mariano Rivera than his amazing cut fastball. The "closer who got saved" oversees charitable programs, provides a church home for a Spanish-speaking congregation, and plans to enter the ministry after retiring from baseball. He's a Hall of Famer in every possible way. Learn more in Playing with Purpose: Mariano Rivera, a story of sports and faith you won't want to miss! Book jacket.