The 30-year-old is Boro's top goalscorer this season, and is hoping that he can help get them back to the Premier League.
The 30-year-old was part of the Leicester side that won promotion to the Premier League in 2014, and while he stuck with the Foxes for their first season back in the top flight - making 29 appearances, and scoring five goals - he explained that anticipating a lack of chances at the King Power Stadium this term influenced his decision to move. However, he insisted that he only wants to be away from the top flight for one campaign.
"We're right up at the top end of the league and I'm scoring and that's what I came here for," he said.
"You don't drop down a league just to be happy playing in the Championship.
"You drop down because you want get back into the Premier League and you think promotion is possible.
"I've made that move down a division and so has Stewy [Downing] and we're both determined to make an impression here.
"We probably weren't going to get as many games as we wanted to in the Premier League and that's why we've stepped down but we are here at Middlesbrough to try and get them back up where they belong," he added.
While some will criticise the decision to leave - with Claudio Ranieri's men sitting at the top of the Premier League - the incredible form of Jamie Vardy, the arrival of Shinji Okazaki as well as the presence of Leonardo Ulloa and Andrej Kramaric in the squad would have reduced Nugent's chances of featuring for the Foxes.
Meanwhile, since his move to the Riverside Stadium, he has enjoyed a run in the side that has led to the one-time England international scoring five goals.
His most recent strike sealed Boro's victory over Ipswich, and sent Aitor Karanka's men to the top of the Championship table. And while Brighton's weekend win sent the Seagulls back above Middlesbrough, briefly reaching the summit may give Nugent and his teammates the confidence they need to go on and secure promotion.