Some baseball players are on the field discussing the game. Death is coming up to them.
Death is on a baseball field.
Who is going to die?
I mean, there are closers... and there are CLOSERS.
scene: a baseball field description: Some baseball players are on the field discussing the game. Death is coming up to them. uncanny: Death is on a baseball field. entities: Death_(personification), Baseball. caption: I mean, there are closers... and there are CLOSERS.
A closer in baseball is a type of pitcher who is good at finishing games, i.e., playing in later innings. But here, death is literally playing baseball as represented by the grim reaper. The joke is funny because it frames death as a strong "closer" --- death is also quite effective at finishing lives.