San Diego Padres pitcher Matt Waldron is part of a dying breed. When he made his big league debut last season, he was the MLB first pitcher since 2019 to have a knuckleball as part of his arsenal.

Russell Martin was sitting at his locker in the Blue Jays' clubhouse, talking about catching the knuckleball, when former major-league catcher Sal Butera, a Jays coach, joined the conversation. Butera ...

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 ...