Ken Griffey Jr.'s Slugfest

"Ken Griffey Jr.'s Slugfest is a baseball game for the Nintendo 64 and Game Boy Color. It was released in 1999. It is a sequel to Major League Baseball Featuring Ken Griffey, Jr., released for the Nintendo 64, which itself was a sequel to Ken Griffey Jr. Presents Major League Baseball and Ken Griffey Jr.'s Winning Run. released for the Super Nintendo." Source: Wikipedia, Ken Griffey, Jr.'s Slugfest , available under the CC-BY-SA License.