It's the start of a busy four days for the Northern Knights as they take on NW Warriors in a 50-over game, followed by a three-day Championship clash at Comber against Leinster Lightning.
Shane Getkate takes the skipper's armband from James Shannon, although Shannon will play as a batsman only after a recent back injury.
There are recalls for Adam Dennison and Graeme McCarter - the latter changing his flight plans back to Scotland to help out Knights coach Simon Johnston who has been hit by a seam bowling injury crisis.
Holywood Mark Adair the latest blow to the Knights, but it's hoped that rest and recuperation will see Adair back in the ranks sooner rather than later.
The Warriors have made two changes to their ranks from the team that beat Munster Reds on Friday.
Niall O'Brien takes over the gloves from Ricky-Lee Dougherty while David Barr comes in for Brigade team-mate Andy Britton.
Marc Ellison has been called into the Knights squad for their Championship clash against Lightning at Comber which starts on Tuesday (11am).
He's joined by Chris Dougherty and James Magee of Instonians.
Kevin O’Brien, Eddie Richardson, Josh Little and Max Neville are all unavailable for Lightning, who are still available to call on eight senior internationals.
Jarred Barnes makes the squad after an impressive start to the season with YMCA, and youngsters David Delany and Stephen Doheny are included.
They will be in opposition to Harry Tector and Neil Rock who are both named in the Knights line-up.
KNIGHTS v WARRIORS at Stormont, Monday May 28 at 10:45am
KNIGHTS
Shane Getkate (Capt) (Instonians), Adam Dennison (Waringstown), James Cameron-Dow (CIYMS), Gary Kidd (Waringstown), Graeme McCarter (CSNI), James McCollum (Waringstown), Jacob Mulder (CIYMS), Neil Rock (wk) (Rush), James Shannon (Instonians), Alistair Shields (North Down), Nikolai Smith (Instonians), Harry Tector (YMCA).
WARRIORS
Andy McBrine (Capt) (Donemana), Stuart Thompson (Eglinton), Craig Young (Bready), William Porterfield (Formby), Niall O’Brien (Nantwich), David Rankin (Bready), David Scanlon (Bready), David Barr (Brigade), Aaron Gillespie (Strabane), Ross Allen (Eglinton), Graham Kennedy (Ballyspallen), Ryan MacBeth (Brigade).
KNIGHTS v LIGHTNING at Comber - Tuesday May 29-31 at 11am
KNIGHTS
Shane Getkate (Capt) (Instonians), Chris Dougherty (CIYMS), James Cameron-Dow (CIYMS), Marc Ellison (CSNI), Gary Kidd (Waringstown), James McCollum (Waringstown), James Magee (Instonians), Jacob Mulder (CIYMS), Neil Rock (wk) (Rush), James Shannon (Instonians), Nikolai Smith (Instonians), Harry Tector (YMCA).
LIGHTNING
George Dockrell (Leinster), David Delany (Clontarf), Stephen Doheny (Rush), Peter Chase (Malahide), John Anderson, Tyrone Kane (both Merrion), Lorcan Tucker & Andrew Balbirnie (both Pembroke); Simi Singh, Jack Tector & Jarred Barnes (all YMCA), Sean Terry (The Hills).