In the form of one Paxton Crawford, of all people. He's admitted to using HGH in Boston according the ESPN the Magazine.
Crawford comes clean - Extra Bases - Boston.com
In a piece he wrote for this week’s ESPN The Magazine (subscription required to read), Crawford admitted to using steroids and HGH while with Boston from 2000-01. Check out a few of his comments, which also seem to shed a controversial light on the Sox clubhouse at that time.
“During minor league spring training with the Red Sox in 1999, some of the other guys saw I was hurting,” he writes. “They told me that if I took this stuff, it would make the pain go away and cut my recovery time in half. Shoot, why not? I'm just a country boy; I didn't even think twice.