[4] He was a player for the first team in 2011–12 Lega Pro Seconda Divisione, the last and fourth level of Italian professional football league system (until 2014).
In 2012, he was signed by Serie B club Lecce,[5] which the club was expelled from Serie B and readmitted to Lega Pro Prime Division at the start of season due to 2011 Italian football scandal.
On 2 September 2013 he was signed by Cremonese in temporary deal, with Simone Sales moved to opposite direction.
[7][8] Palumbo played for the Lombard club in Lega Pro Cup.
[12] Palumbo did not play in the semi-finals, which the club lost 2–4 in aggregate to Monza.