Murilo Santana at the 2013 Worlds NoGi

The 2015 Boston Spring Open already knows its black belt champions.

The divisions played out earlier this Saturday.

Brothers João and Paulo Miyao controlled the light-feather and the featherweight divisions.

Kevin Mahecha was the champion at the lightweight class.

In the middleweight division, Kayron Gracie crowned his return to competitions with the gold medal.

In the medium-heavy, Tanner Rice once again proved to be in a great moment in his career with another gold medal.

The open class division went to veteran Murilo Santana, who defeated Francisco Iturralde in the final.

The other black belt divisions went to Roberto Torralbas (Heavy), Vinicius Silva (superheavy) and Rodrigo Reis (ultraheavy).

For the complete results, click here.

The 2015 Boston Spring Open takes place this Saturday at the UMASS gym.

The IBJJF has already released the schedule and the brackets for the event.

The black belt division should have some interesting battles for the crowd.

In the featherweight division, Brian Machecha, Gianni Grippo and Paulo Miyao will clash for gold in a tough round robin bracket.

In the lightweight division, Mansher Khera will debut in the black belt going after the points he needs to be in the 2015 Worlds.

In the middleweight division, Pan champion and Worlds silver medalist Kayron Gracie is back at it after his return from a 2-year hiatus last weekend in New York.

In the same division, another Marcelo Garcia black belt, Joanthan Satava is after the gold medal too.

In the medium-heavy division, Matheus Diniz is another newly promoted black belt starting his journey in the highest level of competition.

Click here for the brackets and schedule.