WATCH: Royals' Bobby Witt Jr. becomes first shortstop with multiple 30-30 seasons
In the first inning of his club's game against the Detroit Tigers ( DET-KC GameTracker ), Witt Jr. swiped his 30th base of the season. Those 30 stolen bases in tandem with his 32 homers give him a second straight 30-30 season. Now here's a list of all the primary shortstops who have authored 30-30 seasons, via the inestimable Sarah Langs :