Wrestling fans love the rivalry between Eddie Guerrero and Rey Mysterio throughout their legendary careers. WCW and WWE both witnessed Rey and Eddie having feuds that still get discussed today. The growth as performers showed their growth as performers on their own and their chemistry only improved with the greater star power.

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Almost every match between Mysterio and Guerrero was viewed as a huge success rated by fans or pundits. The storytelling involved added layers to every match that made them separate enough to keep coming while linking together the overall angle. Fans often forget or missed the following things about Eddie and Rey’s rivalry in wrestling.

10 Feuded Against Each Other In Smackdown Six Tag Program

Rey Mysterio 619

The start of the brand split saw WWE having Smackdown adopt a more wrestling-first mentality. Fans dubbed the Smackdown Six as the core of the roster who delivered classic matches every time they were placed together.

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Eddie Guerrero and Chavo Guerrero feuded with the makeshift teams of Edge & Rey Mysterio and Kurt Angle & Chris Benoit. WWE placed Eddie and Rey in quite a few matches during this time as the most underrated chapter of their rivalry.

9 Had A Match With CM Punk Involved

Eddie Guerrero Vs CM Punk

The matches between Eddie Guerrero and Rey Mysterio are typically discussed for their time working together in WWE and WCW. However, there was a small window when WWE fired Eddie and Rey was letting his previous WCW contract expire when they wrestled on an indie show.

CM Punk of all people was placed in a triple threat match between them at an IWA show. The indie momentum of Punk saw him getting to work with two of his heroes. Guerrero won the match that had made the rounds online as a fun attraction.

8 Eric Bischoff Wanted Rey To Lose At Halloween Havoc 1997

Rey Mysterio Pins Eddie Guerrero

The classic match between Eddie Guerrero and Rey Mysterio at Halloween Havoc 1997 is viewed as one of the best matches in WCW history. Both cruiserweights were still making their name in the business and showed their greatness on this night.

The biggest “what if” scenario from this time featured what would have been the original planned finish. Eric Bischoff wanted Eddie to win and Rey to unmask as part of the title vs hair stipulation. Both wrestlers were livid about the plans, but Bischoff changed his mind at the last minute.

7 Rey Lost Title Back To Eddie Weeks After Big Halloween Havoc Win

Eddie Guerrero Cruiserweight Champion

The win for Rey Mysterio at Halloween Havoc 1997 is remembered as a star-making performance since it stood the test of time. However, Mysterio winning the Cruiserweight Championship from Eddie Guerrero didn’t win him the feud.

Eddie won the title back a couple of weeks later on Nitro and retained it at the following World War 3 PPV to end that chapter of the feud. Rey was having great matches, but Guerrero was finding his groove as a tremendous heel character that WCW wanted to have the belt.

6 Had WrestleMania Match Due To Lack Of Tag Teams

Eddie Guerrero Vs Rey Mysterio WrestleMania 21

The rivalry between Eddie Guerrero and Rey Mysterio made its way to WrestleMania 21 in one of the better opening matches to ever take place on the show. An interesting aspect of the match was that they competed as friends during their WWE Tag Team Championship reign.

Most fans assumed the duo would defend the titles on the big stage, but the Smackdown roster lacked any compelling teams to feud with. WrestleMania 21 was one of the few times in the show’s history where there were zero tag matches on the card.

5 Eddie Originally Wanted To Drop WWE Championship To Rey

Eddie Guerrero WWE Champion

JBL benefited immensely from winning the WWE Championship from Eddie Guerrero to start his main event heel run. However, Eddie had other plans for how he ideally wanted his title reign to come to an end.

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Many wrestlers cited Guerrero being stressed as WWE Champion, but JBL revealed that Eddie was hoping to turn heel and drop the title to Rey Mysterio later that year. WWE didn’t grant Guerrero’s heel turn request to feud with Mysterio until the following year without a singles title involved.

4 Chavo Started Tension Between Them Before Eddie Turned On Rey

Chavo Guerrero WWE

The best work of Chavo Guerrero in WWE came in angles involving Rey Mysterio and Eddie Guerrero. It only made sense that Chavo was the one to plant seeds of doubt into his uncle Eddie’s mind before turning on Rey.

Chavo was still a heel and made comments about Eddie being unable to beat Rey in a singles match. The doubt ended up being the biggest part of their 2005 feud to start as friendly competition and turn into one of the most personal rivalries of the era.

3 Eddie Turning On Rey Was A Slow Burn Move

Eddie Guerrero Vs Rey Mysterio

The storyline of Eddie Guerrero and Rey Mysterio going from tag partners to enemies played out over the course of seven months. Rey and Eddie were two of the most over faces, so it made sense to milk the heel turn for a dramatic swerve.

Guerrero losing matches to Mysterio and slowly growing more frustrated in wanting more opportunities caused him to eventually snap. The war between the two also slowly jumped from Eddie wanting to win a match to ruining Rey’s life for his heel progression.

2 Dominik Was Added At Eddie's Request

Eddie Guerrero Vs Rey Mysterio Dominik

Dominik Mysterio becoming a wrestler and signing with WWE created a full circle moment of his debut coming fifteen years after he was in a major storyline. WWE ran the angle of Eddie Guerrero being revealed as the paternal father of Dominik and trying to get custody solely to ruin Rey’s life.

Everyone involved has admitted that Eddie was the one to pitch this plan and felt like it would connect with the audience. The ratings were great for this feud that helped prove Eddie’s intelligence of knowing how to sell a storyline with emotion and range.

1 Were Together During Rey's Only Heel Turn

Filthy Animals

An interesting part of the history between Eddie Guerrero and Rey Mysterio came towards the end of Eddie’s WCW run. The duo became linked together for the first time after their feud in the Latino World Order.

Guerrero, Mysterio, Billy Kidman and Konnan formed the Filthy Animals faction with Torrie Wilson as their manager. The group all turned heel together when attacking Ric Flair and robbing him. This was the only time Rey played a heel in his career and he was able to play off his best friend Eddie to make it easier.