Shamrocks, Clara, Ballycommon and Tullamore are all battling for wins this weekend.
Shamrocks are just 60 minutes away from reaching the semi-finals of the Offaly Football Championship.
Nigel Dunne's side take on Clara this Sunday, as they aim to book their place in the final four for the first time in two years.
Shamrocks finished fourth in Division One of the group stages, with their only victory coming against Edenderry.
Clara secured their place thanks to their emphatic victory over Durrow in the final round.
Shamrocks forward Jack Bryant says the knockout stages are when the best teams turn up:
Throw in is at 3:00pm from O'Connor Park this Sunday.
The other quarter-final sees reigning champions Tullamore face Ballycommon from 4:30pm.
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