Haymon, widely regarded as the best "advisor" in boxing, is said to have been very impressed by Tomoki's recent bout in the US, a bout that saw him defending his WBO Bantamweight title with a 7th round knockout of Pungluang Sor Singyu (46-3, 31). That victory, which impressed pretty much everyone, gave US audiences their first real chance to see Tomoki in the flesh and it appear that not only the audience but also Haymon wants to see him again.
Interestingly this news comes just a day after Oscar De La Hoya was said to have been interested in featuring Tomoki again. With that in mind some may feel this signing was to force De La Hoya and Golden Boy Promotions to continue their now strained relationship with Haymon. Others may suggest that Haymon is continuing to be proactive and that this could move us a step towards a bout between Tomoki and Guillermo Rigondeaux who is set to become a free agent after his upcoming fight with Sod Kokietgym.
What ever the future holds for Tomoki this is a major development in his career and a move that is likely to see him fighting in the US for the foreseeable future.