Colorado Rockies minor leaguer Mike Jacobs carved his name in drug-testing history Thursday by becoming the first North American professional athlete to be suspended for testing positive for human growth hormone. Jacobs, who has been playing for the Rockies' Triple-A affiliate in Colorado Springs, was suspended for 50 games, effective immediately. The 30-year-old first baseman has played for the New York Mets, Florida Marlins and Kansas City Royals, but hasn't appeared in the major leagues at all this season. According to the commissioner's office, Jacobs is the first athlete in any North American professional sport to test positive for HGH. Read more: http://espn.go.com/mlb/story/_/id/6...do-rockies-tests-positive-hgh-banned-50-games