So here is every Reigns Raw match since July 25th to involve either Owens or Jericho
July 25th: Roman Reigns defeated Sheamus, Chris Jericho and Sami Zayn in a Fatal 4-Way Match (17:14)
August 22nd: Roman Reigns defeated Chris Jericho in a WWE Universal Title #1 Contendership Qualifying Match (15:00)
August 29th: Kevin Owens defeated Seth Rollins, Big Cass & Roman Reigns in a Fatal 4-Way Elimination Match to win the vacant WWE Universal Championship
September 12th: Kevin Owens defeated Roman Reigns by DQ (13:10)/Kevin Owens defeated Roman Reigns in a No disqualification Match
September 19th: Roman Reigns defeated Kevin Owens in a Steel Cage Match (14:39)
October 31st: Roman Reigns (c) defeated Chris Jericho (w/ Kevin Owens) by disqualification in a WWE United States Championship Match (16:00)
November 7th: Kevin Owens defeated Roman Reigns, Seth Rollins, Chris Jericho and Braun Strowman in a Fatal 5-Way No Disqualification match (13:00)
November 14th: Roman Reigns & Kevin Owens defeated Sheamus & Cesaro
November 20th (Survivor Series): Team SmackDown (AJ Styles, Dean Ambrose, Randy Orton, Shane McMahon, and Bray Wyatt) (with James Ellsworth) defeated Team Raw (Kevin Owens, Chris Jericho, Roman Reigns, Seth Rollins, and Braun Strowman
November 28th: Roman Reigns defeated Kevin Owens to be the #1 Contender for the WWE Universal Championship (17:00)
December 5th: Roman Reigns (c) defeated Chris Jericho to retain the WWE United States Championship (14:00)
December 12th: The New Day (Xavier Woods & Big E) (w/ Kofi Kingston) (c) defeated Jeri-KO (Chris Jericho & Kevin Owens) and Seth Rollins & Roman Reigns in a Tag Team Triple Threat Match to retain the WWE Raw Tag Team Championship
December 18th (Roadblock: End of the Line): Kevin Owens defeated Roman Reigns by disqualification
December 19th: Roman Reigns & Seth Rollins defeated Chris Jericho & Kevin Owens by Disqualification
December 26th: Roman Reigns (c) defeated Kevin Owens to retain the WWE United States Championship (16:00)
January 2nd: Roman Reigns (c) defeated Chris Jericho to retain the WWE United States Championship (14:00)
As for Seth:
September 5th: Seth Rollins defeated Chris Jericho
September 25th(Clash of Champions): Kevin Owens defeated Seth Rollins
October 10th: Seth Rollins defeated Chris Jericho
October 17th: Seth Rollins defeated Chris Jericho
October 24th: Seth Rollins defeated Kevin Owens and Chris Jericho in a Triple Threat Match (10:00)
October 30th(Hell in a Cell): Kevin Owens defeated Seth Rollins in a Hell in a Cell Match
November 14th: Seth Rollins, Chris Jericho & Braun Strowman defeated The New Day (Big E, Kofi Kingston & Xavier Woods) (14:00)
November 20th (Survivor Series): Team SmackDown (AJ Styles, Dean Ambrose, Randy Orton, Shane McMahon, and Bray Wyatt) (with James Ellsworth) defeated Team Raw (Kevin Owens, Chris Jericho, Roman Reigns, Seth Rollins, and Braun Strowman
November 21st: Kevin Owens (c) defeated Seth Rollins in a No Disqualification Match to retain the WWE Universal Championship (23:00)
December 12th: The New Day (Xavier Woods & Big E) (w/ Kofi Kingston) (c) defeated Jeri-KO (Chris Jericho & Kevin Owens) and Seth Rollins & Roman Reigns in a Tag Team Triple Threat Match to retain the WWE Raw Tag Team Championship
December 18th (Roadblock: End of the Line): Seth Rollins defeated Chris Jericho
December 19th: Roman Reigns & Seth Rollins defeated Chris Jericho & Kevin Owens by Disqualification
January 2nd: Seth Rollins defeated Kevin Owens by disqualification