“You don’t lose your job due to injury” (sports adage)

Entry in progress—B.P.
 
4 April 1996, Daily Herald (Chicago, IL), “Jackson noncommital on starting power forward: Kukoc or Rodman?” by Kent McDill, Sports, sec. 2, pg. 1, col. 2:
In the past, Jackson has always said a player does not lose his starting job due to injury.
 
9 September 1999, Augusta (GA) Chronicle, “O’Leary is confident in Tech’s freshmen” by Seth Coleman (Morris News Service), pg. 4C, col. 4:
However, Josephson and Miller will probably be back in the mix Saturday, due to O’Leary’s philosophy of not allowing a player to lose his starting job due to injury.
   
3 November 2010, Titusville (PA) Herald, “Browns quarterback situation brings up debate on unwritten rule,” pg. 9, col. 3:
BEREA—Some unwritten rules come with asterisks, like the one that says a player cannot permanently lose his starting job due to an injury.
 
CanucksCorner
Re: Official Luongo Hate / Love Thread
Post by Topper » Mon Nov 28, 2011 1:39 pm
(...)
While the adage is, you don’t loose your job due to injury, Bobby Lou was not holding the fort when he was injured. As long as Cory stays hot, he starts.
 
PhiladelphiaEagles.com
Celebrating Teamwork At QB Spot
Posted Nov 26, 2013
(...)
Now healthy, Vick understands the big picture. He knows that Foles is playing outstanding football, so why change the position again? The old football adage that you don’t lose your starting job due to injury is one that holds today, but when the backup steps in and sizzles, the right thing to do is recognize the situation.
 
City of Champions Sports (Pittsburgh blog)
Pittsburgh Pirates: Can Mark Melancon Lock Down Closer Role?
BY MATT SHETLER - MAY 1ST, 2014 AT 8:06 AM
There is the old adage in sports that you don’t lose your job due to injury.
 
That being said, there have been plenty of exceptions to that rule in the past, and the Pittsburgh Pirates’ closer gig could turn out to be one of those.