Last week, Ben Lindbergh authored an excellent piece regarding baseball’s “ever expiring ideas” for The Ringer. FanGraphs editor Dave Cameron described the trend as a “devaluation of new ideas.” But I think many can agree on one area of the game that features considerable room for growth, one many clubs are pursuing: injury prevention.
Even as teams employ modern treatments, the total of days missed due to injury continues to increase. MLB players spent 36,893 days on the disabled list last year, according Jeff Zimmerman’s excellent research, which broke the previous high of the 15-year study by 21%. There are many culprits cited to explain this trend, from the rise from youth sports specialization to the toll of increased velocity on the elbows and shoulders of pitchers. Will Carroll, one of the few who have tried to measure injury loss and cost, estimated the sport spent $1.1 billion alone on disabled pitchers from 2008 to -12. Despite advances in wearable technology, despite more focus on injury prevention and strength and training programs, injuries keep increasing.
To better understand how the industry might improve its ability in keeping players healthy and on the field, I spoke to the athletic trainer who’s had more success than anyone in keeping players off the disabled list in the 21st century.
Last week, I talked with Herm Schneider as he made his way to O’Hare airport in Chicago to catch a flight to Arizona to begin his 38th season as the head athletic trainer of the White Sox. The 64-year-old is the sport’s longest tenured head athletic trainer. And for good reason: according to Zimmerman’s data, he’s been the most effective.
Over the last 15 years, the White Sox have lost the fewest days to the disabled list of any major-league team – and it’s not close. While DL data is hardly a perfect measure of time lost to injuries, as the disabled list is also employed by clubs as a roster-manipulation tool, the White Sox have averaged just over 500 DL days per season since 2001, according to Zimmerman’s research. Only three other teams have averaged fewer than 775 days lost to injury. The White Sox’ domination is illustrated clearly by this chart from Zimmerman’s piece:

The White Sox continue to remain one of the healthier teams in recent years, as well. Over the last five seasons, the White Sox have recorded the second fewest DL days, and fourth fewest over the last three seasons.
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