1029 2 January 23, 2009^10:35pm Jaydawg^7 Mark McGwire's brother, Jay, says he injected him with steroids sports.yahoo.com/mlb/news;_ylt=At9zv0Q.giAzyiDeMGC2g7QRvLYF?slug=ap-mcgwire-steroids&prov=ap&type=lgns News Yahoo 3642 5770 0 This isn't a surprise. McGwire's steroid use has already been proven in Canseco's book. The repeated statement of "I'm not gonna talk about the past" speaks volumes by itself.