http://www.sega-16.com/forum/showthread.php?32538-Sega-games-on-the-Atari-Jaguar
Apparently the Jag "could" have had:
Shinobi
Streets of Rage 1,2,3
Virtua Racing
...
interesting to note that Atari acted as a patent troll
Anyhow I didn't know and I would have taken Virtua Racing over Checkered Flag (I know, that one was easy).
Where's Lost Dragon when you need him?