Dr. Lewis Yocum's famous baseball patients

Dr. Lewis Yocum — one of baseball's most respected arm doctors — has died after a secretive battle with cancer. He was 66. Yocum was a protege of Frank Jobe (who performed the first Tommy John surgery). Along with Dr. James Andrews, Yocum was one of the two orthopedic surgeons that baseball players turn to when they're facing arm issues. Yocum was also the team doctor for the Los Angeles Angels. The team recently renamed its training room in his honor.

Here are some of Yocum's most famous patients.

Boston Red Sox v Chicago White Sox

CHICAGO, IL - MAY 22: Jacoby Ellsbury #2 of the Boston Red Sox hits a single in the 2nd inning against the Chicago White Sox at U.S. Cellular Field on May 22, 2013 in Chicago, Illinois. (Photo by Jonathan Daniel/Getty Images)

Texas Rangers v Seattle Mariners

SEATTLE, WA - MAY 25: Starting pitcher Felix Hernandez #34 of the Seattle Mariners pitches against the Texas Rangers at Safeco Field on May 25, 2013 in Seattle, Washington. (Photo by Otto Greule Jr/Getty Images)

Roberts' HR in 9th gives Arizona win over A's

Arizona Diamondbacks' Daniel Hudson throws against the Oakland Athletics in the first inning of a baseball game Friday, June 8, 2012, in Phoenix. (AP Photo/Ross D. Franklin)