The significance comes in to describe how well the curve (in this case, the line) fits the data. (scholarsandrogues.com)
The additional benefit is that more muscle equals a higher metabolic rate so you'll not only get better curves, but less fat sitting over them. (instantknockout.com)
ROOKIE HOPES: Not much, except for two good young pitchers up from Syracuse: Jim Owens (according to Roy Hamey, possessor of «best curve in baseball») and Jack Meyer (led International League in strike - outs). (si.com)