Benn initially started his career with the Stars in 2011 and he played the first six years of his career there.
He then played with the Canadiens, Wild, and Canucks before stopping in Toronto last season but unfortunately only got into 12 total games with the Leafs before having his season cut short.
He will now be reunited with his brother Jamie in Dallas and will try to earn a contract and help the Stars win a Stanley Cup.