Complex sentence: In the 1996--97 season, Sergei made two comeback attempts, first with the Dallas Stars, for whom he played four games, followed by playing for Fribourg-Gottéron in Switzerland's Nationalliga A with former teammates Viacheslav Bykov and Andrei Khomutov.
Split into simpler sentences: In the 1996--97 season, Sergei made two comeback attempts. Then he played some games for Fribourg-Gottéron in Switzerland's Nationalliga A with his former teammates Viacheslav Bykov and Andrei Khomutov.