He made his NHL debut on February 24, 2011, when he was called up from the Bridgeport Sound Tigers, on an emergency basis, to play defence in an away game against the Philadelphia Flyers. In his first NHL game he recorded an assist and logged 15:37 of ice time, although the Flyers beat the Islanders 4–3 in overtime.[2]
On July 4, 2012, it was announced that Katic has signed a contract with six time German champion Eisbären Berlin.[3] He helped the Eisbären team win the 2012-13 national German championship.
In April 2018, Katic inked a two-year deal with German DEL side, Adler Mannheim.[7]
Katic remained with Adler Mannheim for five seasons before leaving as a free agent to sign in the neighbouring ICEHL, on a one-year contract with EC VSV, on April 28, 2023.[8]