He began his career in Ireland and represented Cork City and Waterford before making the move to The Tractor Boys in 2018. During his time at Portman Road, he had four loan spells, before breaking into the first team last season.
Drinan made 22 first team appearances for Ipswich, 16 of which coming from the subs bench, before having a year option on his contract activated.
“He strengthens our frontline, and he has a little bit of everything. He’s 6ft 1, he’s quite quick and will attack the first ball, as well as get down the sides of defenders,” said Kenny Jackett on the acquisition.