Complex sentence: During his rookie season in Cleveland, in 1992, Lofton hit.285, his 66 stolen bases establishing an all-time record for an American League rookie and the most by a Major League rookie since Vince Coleman's 110 in.
Split into simpler sentences: During his rookie season in Cleveland, in 1992, Lofton hit.285. His 66 stolen bases broke the all-time record for an American League rookie and was the most by a Major League rookie since Vince Coleman's stole 110 in.