Longtime big league knuckleballer Wilbur Wood passed away on Saturday at age 84. A left-handed workhorse starter, Wood was a three-time All-Star over a 17-year MLB career that included stints with the White Sox, Pirates, and Red Sox.
It took Wood a while to really establish himself in the big leagues, as after making his MLB debut with Boston in 1961, Wood threw only 159 2/3 innings over 73 appearances from 1961-65. A trade from the Red Sox to the Pirates in 1964 at least gave Wood regular bullpen duty during the 1965 season, but after spending the entire 1966 campaign with Pittsburgh’s Triple-A team, he was traded to the White Sox in the move that really unlocked Wood’s career.
Future Hall-of-Famer Hoyt Wilhelm was a member of that Chicago team, and the veteran took Wood under his wing by teaching him some of the tricks of Wilhelm’s knuckleball. Wood had thrown the pitch on-and-off in the past, but under Wilhelm’s tutelage and encourage, Wood adopted the pitch on a regular basis and the rest was history. Over 292 games and 495 2/3 innings from 1967-70, Wood posted a 2.49 ERA as a fireman out of the White Sox bullpen, often tossing multiple innings in all sorts of situations as a closer, leverage set-up man, or just innings-eater.
The White Sox moved Wood back into the rotation in advance of the 1971 season, setting the table for a five-year run of numbers that seems impossible by today’s modern pitching standards. Wood posted a 3.08 ERA over 227 appearances (224 of them starts) and a whopping 1681 2/3 innings from 1971-75, leading the majors in starts four times over that span and twice leading MLB in innings. Wood’s success was recognized with a runner-up finish in AL Cy Young Award voting in 1972, and he also finished third in the Cy race in 1971 and fifth in 1973. Wood was named to the AL All-Star team in 1971, 1972, and 1974.
Even in an era when starters were expected to carry a heavier workload and four-man rotations weren’t uncommon, Wood’s knuckler-powered durability stood out. Wood’s 376 2/3 IP in 1972 is the highest single-season mark of any pitcher from 1918 to the present day. To put Wood’s 1972 season in perspective, MLB’s top two leaders in innings pitched in 2025 (Logan Webb and Garrett Crochet) combined for 412 1/3 innings last year.
Unfortunately for Wood, the White Sox weren’t particularly competitive during his five-year dream run. He became one of only a few pitchers in modern baseball history to both win and lose 20 games in a season when Wood went 24-20 in 1973. Wood won at least 20 games every year from 1971-74, and he also lost 20 more games in 1975.
Wood’s amazing run of durability ended when his kneecap was broken by a line drive off the bat of the Tigers’ Ron LeFlore in May 1976, which ended his season. Wood was never the same after the injury, as the southpaw posted a 5.11 ERA over 290 2/3 innings for Chicago in 1977-78. He decided to retire, concluding his career with a 164-156 record, a 3.24 ERA, 6.5% walk rate, and 12.7% strikeout rate over 651 games and 2684 innings.
We at MLB Trade Rumors send our condolences to Wood’s family, loved ones, and many fans.