Pitchers getting tired

[Serafim42-zaphod]

A lot of my relievers are getting tired after one batter in 3-inning games (conquest and online events). Which is annoying because I have to keep them in for three batters.
I usually start by having them toss and stretch when the inning begins, then switch to warm-up for a mound visit. Then I put them in. Am I doing it wrong? Any suggestions?

[genopolanco_PSN]

It’s fine. They can easily make it through 3 batters. Just ignore what it’s telling you.