Part of the commentary team for that bout former Japanese star Hozumi Hasegawa (36-5, 16) [長谷川 穂積], who was also a member of the Shinsei gym which manages Kubo, talk about the loss of Kubo's.
Hasegawa was critical of his former stablemate, speaking about the clear weaknesses that Kubo showed, such as his inability to clinch and learn how to get out of the situation he kept finding himself in. Given the pressure of Roman clinching would have been a great tool in Kubo's arsenal, and given him a chance to slow the grinding effect of the American, but he didn't clinch at all. Whilst that may not have lead to Kubo winning, it would certainly have helped his chances, and potentially have frustrated Roman and given Kubo a chance to create some space from. It could well be a lack of experience, a lack of confidence or just not know how to clinch, but today's loss will lead to his team working on that aspect of his game.
Although critical Hasegawa did also see the loss as a chance to learn, and as a chance to learn from the loss. The experience will help improve Kubo as a fighter and, also Hasegawa stated that fans empathise with losers, like himself, and it's likely that the guts Kubo showed will help him build a fan base, potentially even bigger than had he won.
(Image courtesy of boxmob.jp)