MLB.com: Is 300-wins club done adding members?
We -- most of us, anyway -- spend much of our lives chasing round numbers. We look forward to them: 20th wedding anniversary; 40th high school reunion, age 50. We look back at them: Look at what happened 10 years ago, 40 years ago, 100 years ago.
Athletes chase round numbers most of all -- .300 average, 30 po…