Complex sentence: Both feuds resulted in matches at the TLC pay-per-view, where Sheamus, Del Rio and Rusev were all successful in their separate singles matches, with Del Rio and Sheamus both retaining their championships (the latter needing help from his cohorts).
Split into simpler sentences: Both feuds resulted in matches at the TLC pay-per-view. At, Sheamus, Del Rio and Rusev were all successful in their separate singles matches, with Del Rio and Sheamus both retaining their championships (the latter needing help from his cohorts).