Bullpen and Inner reliever

Bullpen noun - A place on a baseball field where relief pitchers can warm up during a game.

Inner reliever and bullpen are semantically related in pitcher who takes place of starter topic. In some cases you can use "Inner reliever" instead a noun "Bullpen".

Bullpen and inner reliever are semantically related in pitcher who takes place of starter topic. You can use "Bullpen" instead a noun phrase "Inner reliever".