 Grella scored for Leeds after coming on as a late substitute in the 2–0 FA Cup win against Oldham.He repeated this FA Cup goalscoring form on 8 December 2009 in the FA Cup replay against Kettering Town, coming on as a substitute during the second period of extra time.Grella's introduction changed the pace of the game (which had previously been 1–1), as he scored twice as Leeds won the game 5–1, taking his tally to four for Leeds.