implications.
Yes, it's an old saying that has long been used to describe the hope of white people that a white athlete will succeed either directly against a black athlete or in a black athlete dominated field.
As in "Larry Bird was the great white hope."
Jason Sehorn was the "great white hope" to succeed at the otherwise completely black athlete dominated CB position.
The origin, and you're right, it's an old saying, began with the hopes of white people that boxer Jim Jeffries would defeat African American boxer Jack Johnson. Spoiler alert, he did not and a lot of black people lost their lives in the riots afterwards.
Most recently it's been applied to Caitlyn Clark. Fair or not, she's been described as the next "great white hope" as she attempts to be a star in a black dominated league.
The phrase doesn't belong associated with Ty. It just doesn't. I'll give you the benefit of the doubt that you were somehow ignorant of a well known phrase, but it does not apply to Ty.