He was then loaned out to Alverca and Real Massamá for youth training as part of the Chinese Football Association's 500.com Stars Project between 2011 and 2013.

[3] Deng was linked with his hometown club Chongqing Lifan before the 2017 season; however, he eventually returned to fellow second tier side Beijing Renhe on 28 February 2017.

[8] He made his debut for the club on 26 February 2018 in a 4–1 win against Shanghai Shenhua in the 2018 Chinese FA Super Cup.

[15] Deng was called up to the Chinese national team for the first time by then manager Marcello Lippi in December 2016 for the 2017 China Cup.

[16] He assisted Wang Jingbin's late equalizer on 14 January 2016 in the third-place playoff against Croatia, which China won 5–4 in the penalty shootout.