Harry Heilmann, 1927, in terms of OPS+, his second best season, lots of doubles and OBP (career bests in both).
141 596 505 106 201 50 9 14 120 11 11 72 16 .398 .475 .616 1.091 180 311
I know we have a few of his cards already, but ... one of the first stars to grow up on the West Coast, later became a Tigers broadcaster in the early days of radio. Overlooked and underrated in the Golden Age of baseball, .342 lifetime average, but he always seemed overshadowed, as he played with Cobb and during Ruth's and Hornsby's prime years. SABR bio at:
https://sabr.org/bioproj/person/Harry-Heilmann/