Jose Canseco has signed with the Rio Grande Valley WhiteWings of the North American Baseball League on Friday, and is expected to play Saturday night against McAllen. The 48-year-old Canseco hit 462 home runs in 18 seasons in the majors and was the 1988 AL MVP. He later admitted using performance-enhancing drugs. Read more: http://espn.go.com/mlb/story/_/id/8...ley-whitewings-north-american-baseball-league