 Galvis became the first Phillies ' player to make his major league debut on opening day in 42 years when he did so on April 5 . In his debut , he hit into two double plays . Galvis recorded his first major league hit in his fourth career game on April 9 , a two @-@ run double off of Miami Marlins pitcher Aníbal Sánchez . Four days later , he hit his first major league home run off of R.A. Dickey in a game against the New York Mets . After spending two months as the Phillies ' starting second baseman , Galvis injured his back on June 8 ; the injury was initially thought to be a lower back strain , but eventually diagnosed as a Pars fracture in his back . He was placed on the disabled list shortly thereafter . By that time , he had " won the hearts of fans and earned the confidence of his manager ... with dazzling defense . " While on the disabled list , Galvis tested positive for having a metabolite of <unk> in his system , a violation of Major League Baseball 's Joint Drug Prevention and Treatment Program . Galvis denied any wrongdoing , commenting , " I cannot understand how even this tiny particle of a banned substance got into my body . I have not and never would knowingly use anything illegal to enhance my performance . " He did not play for the remainder of the Phillies ' 2012 season . 
