The first major domestic trophy of the season is Manchester City 's. And after a dominant 2-0 win against Arsenal in the English League Cup final on Sunday, it may not be the last. Manchester-born Nico O'Reilly sealed victory with both goals in the second half at Wembley Stadium. The win could also have delivered a psychological blow in the race for the Premier League title as Pep Guardiola aims to chase down Arsenal's nine-point lead at the top of the standings. "(It's an) unbelievable feeling to win a final and to beat this team. We know how good they are," O'Reilly told Sky Sports. "We need to build on it now, it'll give us momentum." This was serial trophy-winner Guardiola flexing his muscles. It was his 16th major trophy as City manager and a record fifth League Cup. He has won 34 career titles as a manager including his time at Barcelona and Bayern Munich. And, once again, he was stamping out Arsenal manager Mikel Arteta's own ambitions, having twice beaten his former assista