Mattingly playing for the New York Yankees at Yankee Stadium on August 19, 1988|thumb|left|upright=0.75 Mattingly hit 18 home runs and recorded 88 RBIs in 1988, but still was in the top 10 in the league in batting average at a .311 average. He rebounded in 1989 to 113 RBIs, but his average dipped to .303. Mattingly's five runs scored on April 30, 1988, marked the 12th time it has been done by a Yankee.
Mattingly playing for the New York Yankees at Yankee Stadium on August 19, 1988|thumb|left|upright=0.75 Mattingly hit 18 home runs and recorded 88 RBIs in 1988, but still was in the top 10 in the league in batting average at a .311 average. He rebounded in 1989 to 113 RBIs, but his average dipped to .303. Mattingly's five runs scored on April 30, 1988, marked the 12th time it has been done by a Yankee.