sampras won his matches without trying. if only pete cared more about winning on clay, he would be the GOAT. Laver's era was a clown era.
Another legendary tennis-myth, along with his "better than most player's 1st serve" second serve: Pete doesn't try...
Sampras lost so many matches, not because he's not trying. He lost them because he is very vulnerable.
When his serve is not working, he is very beatable. When his opponents have a great day, he is beatable, especially in 3-set matches, in which it's easier for his opponents to sustain their level.
I mean look at his 1998 year end results. In order to capture the year end nr.1 position, he was trying his hardest to win , yet he was still beaten by clowns.