At FirstEnergy Stadium on the shores of Lake Erie, the weather for Sunday’s Steelers-Browns Opening Day matchup was nearly as ugly as the two teams trying to play football in it. Played from start to finish in a constant rain that varied only in intensity, the 21-21 tie in overtime easily could have wound up in the win column for Pittsburgh, if not for the Black-and-gold’s near-total meltdown in the fourth quarter. But despite the many post-mortems being written already on the Steelers’ new season, this game likely tells us even less about what to expect from the 2018 edition of Rooney U.