They face Sligo Rovers tonight before meeting with Shamrock Rovers on Friday.
The Saints are six points off the summit with three games to go - and manager Jon Daly believes there's lots still to play for.
Kick off at Richmond Park is at half seven.

Tuesday Morning Sports Update
All Ireland Football Championship Opening Round Fixtures Confirmed
Tommy O'Brien Among Injury Doubts For Leinster's Champion Cup Final On Saturday
Monday Morning Sports Update
Sunday Evening Sports Update
Mourinho's Benefica Go Unbeaten but Miss Title
Brave Kildare Fall Short in Leinster Ladies Final
Chelsea Appoint Xabi Alonso as New Manager