Kasai formed the stable "Big Dealz" in 2001, with John Zandig, Nick Mondo, Wifebeater, Z-Barr and Trent Acid.

This includes a Fans Bring the Weapons Match from the CZW show "Un F'n Believable", in which he took a bump onto a light tube board which ripped open his left elbow, exposing bone.

[7] In 2006 he won the first-ever IWA East Coast Masters of Pain after defeating Toby Klein, Mad Man Pondo and J. C.

Together, they defeated the team of The Great Sasuke and Kesen Numajiro in a fluorescent light tubes death match at the September 9, 2012 Freedoms event in Iwate, Japan.

[9] On July 4, 2023 Kasai made his New Japan Pro Wrestling debut at Independence Day in a winning effort in the main event teaming with El Desperado against Jon Moxley and Homicide.