Union Berlin coach Nenad Bjelica has said it will take an “extraterrestrial” effort to hand runaway Bundesliga leaders Bayer Leverkusen a first defeat all season on Saturday. Union’s shirt sponsors are streaming service Paramount+, and the team will be playing in special shirts advertising the final episodes of the Star Trek science fiction series. Bjelica referred to this when he looked ahead at the match against Leverkusen whose unbeaten run across all competitions is 40 matches. “Maybe we have to play extraterrestrially to beat Leverkusen. Like the Star Trek actors. I’m confident that my te…