The move comes less than 24 hours after Harvey allowed six earned runs and five walks in a 6-2 loss to the Houston Astros Thursday night.
One month prior, New York tried to make things work with Harvey by moving him to the bullpen. However, the only thing the move to the pen accomplished was to "piss off" Harvey as his production didn't improve.
Once in Cincinnati, Harvey went 7-7 in 24 starts with a 4.50 ERA and 1.250 WHIP.
According to FanGraphs' Devan Fink, Harvey has a dismal 0.4 wins above replacement over the last three years and 307.1 innings pitched.
In other words, the Angels were within their rights to release him.
Harvey made his only All-Star Game in 2013 before undergoing Tommy John surgery that October. When he returned to the mound in 2015, at 26 years old, Harvey went 13-8 with a 2.71 ERA and career-best 1.019 WHIP.
Supported by Harvey's successful 2015 post-Tommy John, NBC Sports' D.J. Short believes it was a different injury that has caused the pitcher formerly known as the Dark Knight to fall from the top:
The Angels now have seven days to either find a trade partner for Harvey or place him on irrevocable outright waivers, per MLB.com.