Tommy-John surgery pioneer Dr. Frank Jobe died on Thursday at the age of 88. (No cause yet given).

While Dr. James Andrews is commonly known as the Tommy John doctor now a days, it was Dr. Frank Jobe who Andrews learned from. Dr. Jobe is known for inventing (in 1974) the transplant procedure that "resurrected the pitcher's arm by transferring a tendon from one part of a pitchers body to the injured elbow", which was eventually referred to as Tommy John surgery. Over 1,000 MLB players have undergone Tommy John surgery since 1974 according to the LA TImes.rnANALYST: Michael Pichan