Bo Jackson's stellar performance in this 1989 All-Star Game makes his signature a highlight on this team signed ball from the American League winners. His magnificent teammates also signed: Cal Ripken, Wade Boggs, Don Mattingly, Mark McGwire, Nolan Ryan, Tony Fernandez, Mickey Tettleton, Mike Greenwell, Devon White, Harold Baines, Doug Swindell, coaches Joe Morgan and Doug Radar, and manager Tony LaRussa. Ball is NRMT, and signatures rate a 9 out of 10.