It was happening like it had so often in the past.
A once-sluggish Iowa team had come to life in the fourth quarter at home under the lights, and another top-five opponent was set to go down.
Trace McSorley, Juwan Johnson and the resilient Nittany Lions flipped the script, scoring on the game's final play to survive a wild Big Ten opener.
Johnson caught a seven-yard TD pass as time expired and fourth-ranked Penn State rallied to stun Iowa 21-19 Saturday night.
Saquon Barkley had 211 yards rushing and 94 yards receiving for the Nittany Lions (4-0, 1-0), who outgained Iowa 579-273 but nearly blew a game that could've been crippling to their postseason...