First daughter and ex-adviser Ivanka Trump, who trains at Valente Brothers in Florida with Gisele Bundchen, holds the rank of blue belt in jiu-jitsu.

From the hardwood to the octagon, Kristaps Porzingis has his eyes set on an improbable career change. The talented 7’2″ big ...

Participants in combat sports who grew up in poor neighborhoods might be more likely to suffer brain changes associated with ...