 Still having not made his league debut by the beginning of the 1994/95 season, he moved to Stal Stalowa Wola.Holc made his league debut on March 4, 1995 and has slowly made his way up to become one of the most respected players in the Polish league, bolstered by a move to top-tier team Stomil Olsztyn.Holc is one of the more-respected players in the Polish league, having played professional football for sixteen years, but also having overcome great personal tragedy, including the death of his wife.