Tatís had the best season of his career in 1999 with the St. Louis Cardinals. He hit 34 home runs with 107 RBIs and 21 stolen bases, with a. 298 batting average. On April 23, 1999, Tatís made baseball history when he hit two grand slams in one inning. As of 2017, he is still the only batter in MLB history to accomplish this. Tatís hit both of his grand slams against the pitcher Chan Ho Park of the Los Angeles Dodgers. With his home run feat, Tatís also set a Major League record with eight runs batted in during a single inning.
who did fernando tatis hit 2 grand slams off of
Chan Ho Park