This is a round-two meeting between a polished vice-champion and a club that has been rebuilt from the setter up. Rzeszow is the deeper side with the more proven core, but neither team has played more than one league game, so the picture is still thin on both ends. The gap in class is real; the question is how clean that class looks over three full sets.
Rzeszow opened with a 3-2 win at Lodz. They led 2-0, then lost the next two sets by wide margins before taking a 17-15 decider. The Lodz block and defence took over in the middle of that game, and Rzeszow's middle line is not complete: Gryka is out long term after a knee ligament injury, and Pierzchala, who had a knee problem in the summer, was not in the opener squad. Centka-Tietianiec carried the scoring in the middle, with Mims at opposite and Grabka running the offence.
Mogilno has a new coach, a new Belgian setter in Krenicky and a new opposite in Durul, who arrives with a big European CV. They lost their opener 0-3 at home to Radom, but the set scores were 22-25, 23-25 and 22-25. They led by four points in two of those sets and could not close them, with errors on both sides. Their route to a set is serving runs from Druzkowska, Swieton and Krenicky that build a mid-set lead. A third import, the Cuban Regla Martinez Ortiz, was still stuck on visa problems as of the last report, so the starting six should look like the one that played the opener.
The key matchup is Mogilno's serve against Rzeszow's reception, and Rzeszow's quick attack against a block that is still learning a new setter's distribution. Rzeszow's home crowd and TV spotlight help them start well, and the first set or two should go their way. The problem for a sweep comes in the middle of the match, where a wobble like the one at Lodz can hand Mogilno a lead of three or four points that a settled home side should close but may not. Three ex-Rzeszow players on the Mogilno roster also know this hall well.
The most likely result is a Rzeszow win in four sets, with a five-setter possible if the home reception slips. That is why I'm siding with Mogilno to take at least one set, and not with a Mogilno upset.