Complex sentence: He signed a scholarship contract with the institution in 2012, and in 2014, he signed his first professional contract, with his teammates Miloš Ostojić, Milan Gajić, and Dejan Dražić.
Split into simpler sentences: He signed a scholarship contract with the institution in 2012. In 2014, he signed his first professional contract, with his teammates Miloš Ostojić, Milan Gajić, and Dejan Dražić.