[2] On 13 December 2013, Dinu won the third season edition of Bigger's Better, a boxing tournament under a familiar format of the popular UK Prizefighter series, with all the fights scheduled for three-minute rounds.
[7] Eventually, Miller tested positive for GW501516 prior his next fight against Anthony Joshua, causing the New York State Athletic Commission (NYSAC) to deny him a license to box.
In the fourth round, Dinu connected on a couple of overhand rights, which caused a severe cut over Pulev's left eye.
[11] On 14 December 2019, Dinu bounced back with a fourth round TKO win against Osborn Machimana.
On 5 June 2021, Dinu challenged for the vacant WBA interim heavyweight title, but was unsuccessful, losing to Daniel Dubois by second-round knockout in Telford, England.