Which one are you referring to?
September 24, 1988, Cleveland Stadium
Blue Jays leading 1-0 with Stieb on the mound throwing a no-hitter. Two out in the bottom of the ninth inning, Julio Franco hits a ground ball single to center field for the only hit Stieb allows in the game.
September 30, 1988, Exhibition Stadium
Blue Jays leading the Orioles 4-0 with Stieb on the mound throwing a no-hitter. Two out in the top of the ninth inning, pinch hitting for Craig Worthington, Jim Traber bloops a single down the right field line for the only hit Stieb allows.
Even more amazing was that these performance were in back-to-back starts and the last two games in the 1998 regular season.
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As for
my the greatest Jays games, they are, in chronological order;
Oct 5, 1985, The first AL East banner - Doyle Alexander had the Yankees off balance the entire game and the image of George Bell on his knees celebrating the final out with Tony Fernandez rushing out to hug him still brings a tear to my eyes.
Sep 2, 1990, Stieb's no hitter - After coming so close on previous occasions, Stieb finally got his much deserved No-No. Junior Feliz squeezed the final out on a line drive to RF off the bat of Cleveland's Jerry (
The Governor) Browne
Oct 11, 1992, ALCS Game 4 vs Oakland A's - Alomar's clutch home run off Eckersley in the 9th inning literally brought me right out of my seat. That home run may have been
the turning point for the Jays franchise.
Oct 24, 1992 World Series Game 6 - Winfield's double to LF scoring White and Alomar to take a 2 run lead in the top of the 11th inning. Then Otis Nixon's (
who may have been the ugliest man in the history of baseball 
) bunt back to Timlin and his throw to Carter at first to give us our 1st WS Championship. The image of Carter bouncing up and down at first base after making the final out is etched in my memory.
Oct 20, 1993 World Series Game 6 - Like Alomar's HR in the 1992 ALCS, Carter's shot off Mitch Williams in the bottom of the ninth brought me out of my chair like I was rocket propelled. Carter's joy while rounding the bases is an image for the ages.
There have been several compelling games by the Blue Jays since then but, for me, none have had quite the impact as the games above. I can still visualize them in my minds eye.