Let's check in on some members of the so-called greatest free-agent class ever -- although it's admittedly a little less great given the results and/or injuries of Bryce Harper, Clayton Kershaw and Josh Donaldson -- and how they're trending as we close in on the halfway point of the 2018 season.
Trending down: After a sizzling start in which he hit .315 and homered eight times in his first 17 games, Harper has hit .183 with 11 home runs in 52 games entering Tuesday's action. His average exit velocity is actually up 0.