Connolly has only featured in one Premier League match for Brighton this season. While he scored two goals against Swansea in the Carabao Cup in September, his last Premier League goal came in January against Wolves.
The striker's lack of form and game time for his club has also seen him miss out on Stephen Kenny's latest squads.
The Oranmore native joined Brighton in 2016 as a teenager and went on to make his first-team debut for the club in 2017, coming on as a substitute in a 1-0 win against Barnet in the EFL Cup.
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