One of the strengths of the 2018 Tampa Bay Rays, which has allowed that to remain a .500 team despite moving on from several key contributors from the 2017 squad, has been the lack of weak spots on the roster.
As Jeff Sullivan showed in a recent article on how little negative WAR the Houston Astros have had to take on in 2018, only two teams (said Astros and the Atlanta Braves) have a lower combined negative fWAR from their 2018 roster than the Rays. As Sullivan put it, “Teams like the Rays and Pirates have managed to avoid playing many legitimately bad players…”
The only Rays to have a value below replacement level this season have been: Carlos Gomez (-0.