Kawhi Leonard leaving for the Clippers doesn't mean a damn thing to Toronto Raptors star Pascal Siakam right now ... 'cause he tells TMZ Sports he's too busy being a champion!!!
Siakam -- the NBA's most improved player in 2019 -- was out in L.A. when we asked about The Klaw bailing on the 6 right after he helped win them a title ... and he's not sweatin' it one bit.
"We're still the champs right now, so I'm still enjoying that," Siakam said. "Imma figure out next season, next season."
The 25-year-old is coming off a breakout year for the Dinos ... and even being the center of trade talks ain't bothering Siakam.
"It's the NBA ... sh*t happens. It's the NBA. It's a business."
BONUS -- we got Siakam's take on Drake's insane indoor basketball court at his home in Toronto ... and he wants an invite!!!