1857 Sept. 456/1 Filling your saddle-pockets with dried meat.
1930 J. F. Dobie 208 He gathered enough of the nuggets to fill his saddle pockets.
2004 (Nexis) 5 June d6 His jockey weighs 115 pounds, so 11 pounds of lead weights are put into the horse's saddle pockets to reach 126.