If your blood glucose level is higher than 250 mg/dl, you do not have ketones in your blood or urine, and you want to exercise, I recommend starting your workout then stopping after 15 minutes to see if your blood glucose level is rising or dropping.
Outfielder Ty Cobb, whose career ended in 1928, has the highest batting average in Major League Baseball (MLB) history. He batted .366 over 24 seasons, mostly with the Detroit Tigers. In addition, he won a record 11 batting titles for leading the American League in BA over the course of an entire season.
Following are the 10 highest single-season batting averages since Williams topped .400 66 years ago. Twenty-one players have hit .365 or better since then, including three Rockies players: Andres Galarraga (.370 in 1993), Larry Walker (.379 in 1999) and Todd Helton (.372 in 2000).