Motherwell to step up search for new left-back after Liam Donnelly injury

<div class="pa_art"><p>Motherwell aim to go back into the transfer market after losing Northern Ireland international Liam Donnelly for about two months.</p><p>However, manager Stephen Robinson admits finding a fit full-back could be like searching for a needle in a haystack.</p><p>Donnelly has played at the base of Motherwell's midfield over the past 12 months but his experience in the back line had been set to be utilised after they lost three left-sided defenders to injury.</p><p>The 22-year-old, who has two caps, is set to miss Northern Ireland's Nations League openers against Romania and Norway next month and the Euro 2020 play-off semi-final against Bosnia and Herzegovina on October 8.</p><p>Manager Stephen Robinson said: "We have been . . .