Since 1956 some Mexican wrestlers had appeared in Japanese promotions , their style was mixed with the American - originated standard , and not many of them could rise above mid-card level because of their size .
Which on average was less than Japanese wrestlers .
Although since 1956 some Mexican wrestlers had appeared in Japanese promotions , their style was mixed with the American - originated standard , and not many of them could rise above mid-card level because of their size , which on average was less than Japanese wrestlers .