Question: What was the tag team wrestling name of the partnership of Patrick martin (known as Alex Shelley) and Chris Sabin?

Context paragraphs:
Alex Shelley: Patrick Martin (born May 23, 1983), is an American professional wrestler, better known by the ring name Alex Shelley.  He is best known for working for Total Nonstop Action Wrestling as one half of The Motor City Machine Guns with Chris Sabin.  He first gained fame on the independent circuit working for Ring of Honor (ROH), as well as in Japan, for Pro Wrestling Zero1-Max.  He has also worked for New Japan Pro-Wrestling, where he is a former three-time IWGP Junior Heavyweight Tag Team Champion.  Aside from wrestling, he is the lead singer of a rock band called The High Crusade, which includes his friends and fellow wrestlers Chris Sabin and Petey Williams.

Yujiro Kushida: Yujiro Kushida (櫛田 雄二郎 , Kushida Yūjirō , born May 12, 1983) is a Japanese professional wrestler and mixed martial artist.  He currently works for New Japan Pro Wrestling as Kushida (stylized in all capital letters).  He is currently in his fifth reign as the IWGP Junior Heavyweight Champion, while also being a former two-time IWGP Junior Heavyweight Tag Team Champion, alongside Alex Shelley as the Time Splitters.  He also won the 2015 and 2017 Best of the Super Juniors tournaments and the 2016 Super J-Cup tournament.  He won the 2017 WCPW Pro Wrestling World Cup.  Through a working relationship between NJPW and Ring of Honor (ROH), Kushida also makes appearances for the American promotion, where he is a former World Television Champion.  He won the ZST Genesis Lightweight Tournament and AJPW's U-30 Tag Team Tournament in 2008 with T28.  He is also undefeated in mixed martial arts competition.

6-Man Tag Team Championship: A Six-Man Tag Team Championship (or 6-Man Tag Team Championship) is a title in tag team wrestling held by 3 people and defended in a six-man tag team match.  Titles of this nature include:

List of WWE Raw Tag Team Champions: The WWE Raw Tag Team Championship is a professional wrestling world tag team championship contested in WWE on the Raw brand.  Introduced in 2002 as the WWE Tag Team Championship, it was WWE's third world tag team title, and seventh tag team title overall.  After WWE bought the promotions of Extreme Championship Wrestling (ECW) and World Championship Wrestling (WCW), and unified the WCW Tag Team Championship into its own title at Survivor Series 2001, it split its roster into two brands, Raw and SmackDown, in a brand extension.  As a result of this, WWE's original World Tag Team Championship was designated exclusive to the Raw brand, leaving SmackDown without a tag team championship.  Soon afterward, the WWE Tag Team Championship was introduced onto the SmackDown brand.

CMLL World Tag Team Championship: The CMLL World Tag Team Championship ("CMLL Campeonato Mundial de Parejas" in Spanish) is a professional wrestling World Tag Team Championship promoted by Consejo Mundial de Lucha Libre (CMLL; Spanish for "World Wrestling Council") in Mexico and is for two-man tag teams only.  The championship was created in 1993 to replace the Mexican National Tag Team Championship and is still promoted by CMLL to this day.  It is the top championship promoted by CMLL, with the CMLL Arena Coliseo Tag Team Championship and the Occidente Tag Team Championship considered lower ranked, regional tag team championships.  As it is a professional wrestling championship, it is not won or lost competitively but instead by the decision of the bookers of a wrestling promotion.  The title is awarded after the chosen team "wins" a match to maintain the illusion that professional wrestling is a competitive sport.

The Motor City Machine Guns: The Motor City Machine Guns are a professional wrestling tag team consisting of Alex Shelley and Chris Sabin.  The team is best known for its work in the American company Total Nonstop Action Wrestling (TNA), where they are former TNA World Tag Team Champions.  Through TNA's then relationship with New Japan Pro-Wrestling (NJPW), the team also worked for the Japanese promotion, where they won the IWGP Junior Heavyweight Tag Team Championship.  The team name, which has been variably Motor and Murder City, is a play on the nickname of Detroit, the hometown of both Shelley and Sabin.  They are currently working for Ring of Honor (ROH), where they are in their first reign as the ROH World Tag Team Champions.

NWA Western States Tag Team Championship: The NWA International Tag Team Championship is a professional wrestling title, originally created as the NWA Western States Tag Team Championship in the National Wrestling Alliance's Amarillo, Texas territory, NWA Western States Sports.  The title was in use from 1969, when it replaced Amarillo's version of the NWA North American Tag Team Championship, through the promotion's 1981 closure.  The title was revived on July 15, 2014, by Vendetta Pro Wrestling when they joined the NWA.  The Vendetta Pro Wrestling Tag Team Champions at the time, Shane and Shannon Ballard, were recognized as the NWA Western States Tag Team Champions, and since then, the Vendetta Pro Wrestling Tag Team title belts have represented the NWA Western States Tag Team Championship.

Generation Next: Generation Next and also (simply stylized as GenNext) was a professional wrestling stable in the Ring of Honor (ROH) promotion.  Formed in Philadelphia, PA at the event Generation Next, on May 22, 2004, by Alex Shelley, the original Generation Next consisted of Shelley, Austin Aries, Sabin, Roderick Strong and Jack Evans.  Shelley and Sabin was eventually kicked out of the group and replaced by Aries as the leader, who would later added Matt Sydal to the faction in the summer of 2005.  On June 3, 2006 at "Destiny", Aries officially disbanded Generation Next, with the four wrestling as a faction for one last time on July 29, 2006 at "Generation Now".

Time Splitters (professional wrestling): Time Splitters were a professional wrestling tag team consisting of Alex Shelley and Kushida, who are currently signed with New Japan Pro Wrestling (NJPW).  They are former two-time IWGP Junior Heavyweight Tag Team Champions while Kushida was the IWGP Junior Heavyweight Champion in his second reign.

NWA World Tag Team Championship: The NWA World Tag Team Championship is the main professional wrestling world tag team championship of the National Wrestling Alliance (NWA).  When the NWA was founded in 1948 the NWA Board of Directors allowed any NWA member promotions to create their own "NWA World Tag Team Championship" without interference or oversight from the board of directors.  The first of these NWA World Tag Team Championships was created in 1950 in the San Francisco territory, which while billed as a "World" title was essentially restricted to the specific NWA territory.  From the first championship was created in 1950 until 1982 several versions of the tag team championship existed, in 1957 as many as 13 different versions of the NWA World Tag Team Championship were confirmed to be in existence.  In 1982 Big Time Wrestling, based in Los Angeles, closed and abandoned their version of the championship.  This meant that only the Jim Crockett Promotions' (JCP) NWA World Tag Team Championship was active, but still restricted to being controlled by JCP, not the NWA board of directors.  In 1991 that championship was renamed the World Championship Wrestling Tag Team Championship.

Supporting paragraphs: Alex Shelley The Motor City Machine Guns
Answer: The Motor City Machine Guns