Complex sentence: Reno made his final HWA appearance on December 19th, 2001 with Mike Sanders attacking Matt Dellinger until HWA Commissioner Patrick Black arrived and "suspended" Reno indefinitely.
Split into simpler sentences: Reno made his final HWA appearance on December 19th, 2001 with Mike Sanders. Reno attacked Matt Dellinger in the ring until HWA Commissioner Patrick Black arrived and "suspended" Reno indefinitely.