Rory McIlroy endured a mixed day at the Arnold Palmer Invitational as Daniel Berger seized the first-round lead at Bay Hill. The Northern Irishman's performance was inconsistent, featuring both promising moments and costly errors that left him trailing the clubhouse leader. Berger's strong start positions him well for the tournament ahead.

McIlroy, a four-time major champion, has been working to regain top form after recent struggles. His opening round at Bay Hill showcased flashes of brilliance but also highlighted ongoing challenges with consistency. The Florida course, known for its demanding layout, proved a stern test for the world-class field.

Berger's commanding lead after day one sets the tone for what could be a pivotal tournament in his season. With McIlroy still within striking distance despite his uneven performance, the battle for Bay Hill promises to intensify over the weekend. The tournament's significance is amplified by its role as a key preparation event for the upcoming Masters.