The knuckleball has long been one of baseball’s most esteemed and bizarre traditions. Now it is nearing extinction. This year, major league pitchers have thrown only 15 knuckleballs. Those have come ...

Twins reliever Pierson Ohl saw the way the Athletics’ Darell Hernaiz reacted to one of his pitches in the sixth inning Tuesday night, and he knew he had him a little surprised. Ohl, making his sixth ...

The knuckleball — a pitch thrown with little to no spin that moves unpredictably — has become increasingly rare in modern baseball. Recent practitioners like R.A. Dickey have retired, leaving few true ...