Texas Rangers should make changes to rotation. The problem is it's just not that simple.
Jordan Lyles and Mike Foltynewicz have shown the Rangers enough this season, but there aren't many candidates to replace them.
Jordan Lyles, who can be a free agent after the season, allowed six runs in four innings Friday night in what rates as his second-worst start of the 2021 season.
Before that stinker against the Toronto Blue Jays, Lyles had been the Te…