Bayern can all but secure the Bundesliga trophy with a victory at the Red Bull Arena even though there would with two games to spare in the season.
Raum spoke about how it "annoys" him that Vincent Kompany's charges could become champions on Leipzig's home ground.
The full-back told Sky Germany: "[It feels] shitty! Personally, it annoys me that they can become champions here [at the Leipzig Arena on Saturday].
"We have to do everything we can to spoil their celebration in our living room. It would be a slap in the face if they became champions here."
Bayern will be without Harry Kane as the forward serves a suspension for an accumulation of yellow cards. It will Kane's first title in his career if his team get over line in the Bundesliga.
Other news from the German giants is that Eric Dier looks set to leave the club when his contract expires at the end of the current season, with French club Monaco favourites to land the England international on a free transfer.
Ole Werner said experience made the difference after RB Leipzig were beaten 3-1 by Union Berlin in Friday's Bundesliga clash at the Stadion An der Alten Forsterei, with all four goals coming in a dramatic second half.
Bayern Munich have stepped up efforts to secure Serge Gnabry's future, with fresh negotiations pointing towards a two-year contract extension that would keep the winger at the Allianz Arena until 2028.
Sebastian Hoeness said his VfB Stuttgart side "did exactly what they came to do" after a commanding 4-1 win over Maccabi Tel Aviv kept their Europa League push firmly on track.
Bayern Munich have moved closer to welcoming Jamal Musiala back into action as the Germany international continued his steady return from the serious leg injury he suffered during the Club World Cup in July.
