The last National League player to steal second, then third, then home plate during the same inning was Eric Young of the Colorado Rockies on June 30, 1996. The last American League player to steal second, then third, then home plate during the same inning was Chris Stynes of the Kansas City Royals on May 12, 1996. The career record for these larcenous occurrences are four (4) in the American League by Ty Cobb and three (3) in the National League by Honus Wagner.
http://www.baseball-almanac.com/recbooks/rb_stbah.shtml
http://www.baseball-almanac.com/recbooks/rb_stbah.shtml
