For a very brief spell Barca were even on top, as Neuer was forced into a key save from Suarez and a Messi cross came back off the far upright.
Setien said that the ability to overcome pressure and team effort will be required to 'harm' Bayern Munich in the match.
Rummenigge stated Bayern Munich striker Robert Lewandowski, who has scored 51 goals across competitions this season, stood a big chance of winning the trophy.
The team showed its domestic dominance by beating Bayer Leverkusen 4-2 in the country’s first cup final held without supporters present, due to the coronavirus pandemic.
The win on a wet night in Bremen put Bayern 10 points clear of second-place Borussia Dortmund, which can earn a maximum nine points from its three remaining games.
Mats Hummelslimped out of Saturday's 2-0 win at Wolfsburg after 45 minutes with an aggravated Achilles tendon.
Opponents Union Berlin have twice shocked the league leaders this season, beating Borussia Dortmund 3-1 in August and turning out 2-0 victors over Borussia Moenchengladbach three months later.
Holders Bayern Munich will host Eintracht Frankfurt while Bayer Leverkusen face fourth-tier side Saarbruecken.
Bayern Munich star Arjen Robben featured in over 500 matches for the club and his country in the entire career.
Talks between Bayern and Germany goalkeeper, capped 92 times by the national side, seemed to have reached a deadlock in mid-April.
Davies, 19, was originally signed until June 2023, but the versatile teenager has impressed this season, both on the left-wing and at left-back.
If the talks fail, club captain Neuer could be free to leave Bayern in June and attract the interest of the EPL clubs.
Most of the 18 top flight clubs in Germany returned to training last week, albeit with social distancing being observed even on the pitch.
If the talks fail, Manuel Neuer could be free to leave Bayern Munich in June and attract the interest of the EPL clubs.
The new deal comes after he worked his way back into the team under coach Hansi Flick after being frozen out by previous coach Niko Kovac.