#3 Adam Cole vs Sami Callihan (PWG)
Unlike other matches on the list, this battle of Sami Callihan dates back to June 2013 when he squared off against Adam Cole for the PWG World Championship. Owing to their previous confrontations, the two were set to fight each other in a 60-minute Iron Man match for the title at the 'PWG Is Your Body Ready?' event.
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In the initial moments of the match, Cole earned three quick pinfalls over The Draw but Callihan retaliated by winning three falls over the PWG World Champion around the 30-minute mark. As both the wrestlers were at a 3-3 tie, the fans witnessed a more hard-hitting and back-and-forth matchup in its final half.
Adam Cole went on to retain his title with a 6-5 score over Sami Callihan and in the process, the pro-wrestling fans were treated to one of the most memorable PWG World Championship defenses of all time.
#2 Sami Callihan vs Pentagon Jr. (Impact Wrestling)
Sami Callihan made his way into Impact Wrestling towards the end of 2017. In the upcoming months, he would renew his feud with Pentagon Jr. from Lucha Underground and they were set to settle the scores at Slammiversary XVI.
As Callihan had initially attempted to remove Pentagon Jr.'s mask following an assault with a baseball bat, Impact Wrestling added the stipulation of 'Mask vs Hair' to their match. After a brutal affair, Pentagon Jr. won the match at Slammiversary and as per the clause, he shaved Sami Callihan's hair with some aid from the former's brother Fenix.
Although Callihan lost and had to have his hair shaved off, his battle with Pentagon will always be considered as something that elevated his status on Impact Wrestling.