 On February 11, 2015, Barea scored a season-high 22 points on 8-of-15 shooting in a 87–82 win over the Jazz.On July 16, 2015, Barea re-signed with the Mavericks to a four-year, $16 million contract.On December 23, 2015, Barea scored a career-high 32 points on 13-of-20 shooting during a 119–118 overtime win versus the Brooklyn Nets.