The Foxes currently sit on the top of the Premier League table, two points ahead of Tottenham and five ahead of Arsenal, but the pressure does not rest on the shoulders of the current league leaders according to Ulloa.
"The pressure is for the big teams," he said.
"It's a different pressure for us now than last year. Last year was the pressure to stay in the Premier League and now we are fighting to get into the Champions League or to win the title."
Ulloa scored a late winner as Leicester beat Norwich City 1-0 at home on Saturday to maintain their two-point lead over second-placed Spurs who beat Swansea City 2-1 as Arsenal lost 3-2 at Manchester United.