Diamondbacks put Big Unit on 15-day DL (AP) Randy Johnson was one of three Diamondbacks placed on the 15-day disabled list Sunday as Arizona finalized its opening day roster. Arizona also put catcher Miguel Montero and infielder Chad Tracy on the disabled list. The three moves were expected. The 44-year-old Johnson is coming off his second back operation in less than a year. Publish Date: Sun, 30 Mar 2008 15:12:11 PDT Read more...