<P> 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 . </P>
<P> 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 . </P>
who did fernando tatis hit 2 grand slams off of
who did fernando tatis hit 2 grand slams off of
Chan Ho Park
Chan Ho Park