INDIANAPOLIS—Takuma Sato held out his fists and flashed his oversized 2017 and 2020 Indianapolis 500 championship rings that spend more time in safekeeping than as a daily accessory. The rings can be a bit much for a driver who still lives in an upstairs bedroom in the house of his long-time business manager in suburban Indianapolis. “They’re way too big. Chunky,” Sato said, laughing. “I do wear them for special occasions. But an everyday ring is coming.” Uncomfortable, perhaps, at the oversized rocks, Sato jokes he can still squeeze a third championship ring on one more finger. Also on the horizon, the overdue victory celebration at Indianapolis Motor Speedway he was denied off one of the weirdest Indy 500′s ever. The 44-year-old Japanese driver—who flirted with another Indy 500 victory in 2012—wants another win, yes, to cement his legacy as one of the Brickyard’s greats, but also to enjoy the …