Donegal led Kerry at half-time in their All-Ireland Senior Championship round one meeting after Ciaran Moore fired an early goal and the home side built a lead that included three two-pointers. Kerry, by contrast, sent seven wides wide of the mark in a first half that swung Donegal’s way on the scoreboard and then boiled over after the hooter.

Michael Langan added a score almost as the final action before the break, underlining how Donegal kept finding the moments that Kerry could not. The half was also marked by an off the ball incident between David Clifford and Brendan McCole, which stopped play and was followed by another scuffle after the hooter sounded, with both benches getting involved.

Jim McGuinness will have taken encouragement from the way his side used their chances, but he also had a clear issue to fix. He wanted Donegal to improve on their own kick-out, and Kerry dominated that area for long stretches even as Donegal stayed ahead on the balance of the scoring. With 90 seconds left before the hooter, Donegal managed to get the ball from their own kick-out, a small but telling moment in a breathless first half.

The discipline issue gave the opening period a sharper edge than the scoreline alone would suggest. This was the third time the teams had met this season, and the latest contest carried all the edge of a rivalry that is already familiar enough for tempers to rise quickly. Donegal had the lead, but Kerry’s pressure on the kick-out and the late flashpoint after the hooter showed there was still plenty of heat in the contest.

By the interval, the game had settled into a familiar shape for both sides: Donegal efficient enough to stay in front, Kerry frustrated by misses and by their inability to fully turn territorial control into points. If the second half follows the first, the score will matter less than which side keeps its nerve when the next ugly moment comes.