CINCINNATI -- 's fingerprints were all over one of the ' greatest comebacks.Playing like an elite quarterback, Dalton led Cincinnati from a 17-point deficit to a legacy victory over the on Sunday. 's 42-yard field goal in overtime bounced off the left upright, but went through for a 27-24 win over the .This wasn't just any win. It matched the second-biggest comeback in team history and came against the two-time defending NFC champions - a signature moment for the unbeaten ."For us to come back against a really, really good team is huge," Dalton said.Nobody came up bigger than him.Trailing 24-7 heading into the fourth quarter, Dalton threw for a touchdown, ran for another and led the (5-0) on a 69-yard drive with no timeouts to get Zydrunas Ilgauskas Jersey Nugent's 31-yard field goal on the final play of regulation.Dalton is going through a growth spurt in his fifth season, leading the NFL in fourth-quarter pa ser rating. He went 13 of 15 for 135 yards in the fourth quarter and overtime on Sunday."We imploded in the third quarter, but we righted ourselves and started putting one play on top of another and kept going," coach Marvin Lewis said.Seattle (2-3) punted twice in overtime, giving the a chance to pull it out. Nugent's deflected field goal ended it with 3:36 left in overtime, leaving Cincinnati 5-0 for the first time since 1988, the last time it went to the .It was the second time Cincinnati had overtime a 17-point deficit in the fourth quarter and won, according to STATS. The also did it at Baltimore in 2004 for a 27-26 victory. Cincinnati overcame an 18-point deficit to beat Arizona 24-21 in the 1997 season.The 17-point collapse matched the biggest in Seattle history. The also blew such games in 2003 against Baltimore and 2004 against St. Louis, losing in overtime as well."The most frustrating part is we didn't finish," receiver said. "We're known for that and we didn't do that today."The looked to be in good shape after scoring a pair touchdowns during a 2-minute span of the third quarter. Undrafted rookie running back ran 69 yards for a touchdown, part of a career-best 169-yard game. then returned a fumble 23 yards for a touchdown, handing a 24-7 lead Jarrett Allen Jersey to the NFL's second-ranked defense. Unlike Monday night, when stripped the ball from Detroit's to preserve a 13-10 win, it couldn't come up with the big play at the end."We wanted to show that we've got a great defense and a great team," cornerback said. "We overcame a lot of things in this game. Down the line, this will be motivation for us that we'll be able to look back on. We've been in this situation, and we've overcome it."Dalton was 30 of 44 for 331 yards with two touchdowns, an interception and a season-high four sacks. His 11-yard TD pa s to on the game's opening drive ended Seattle's streak of 20 defensive po se sions without allowing a touchdown.That was all the managed until Dalton started the big comeback. was 15 of 23 for 213 yards with a touchdown, a tipped interception and four sacks. His 30-yard pa s to was the first touchdown the had allowed before halftime this season.Copyright 2015 by The A sociated Pre s