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If decreasing the load by going from every fourth day to every fifth does not reduce injuries...it doesn't necessarily hold that moving from every fourth day to every third will not increase injuries (even at a reduced pitch count.)
But I do have to admit, for pure entertainment purposes, seeing what happens when Servais goes out to pull Felix after 4 and a half shuout innings...or the same conversation between Kershaw and whichever rookie manager winds up in LA...would definitely qualify as must-see TV.