My current Champ's League team is using 2020 starting pitchers, and over the first 64 games they've been pretty good (IP, ERA, W-L):
Shane Bieber, 111, 2.03, 7-6
Trevor Bauer, 92.1, 3.02, 7-4
Kenta Maeda, 88.2, 1.83, 7-0
Dinelson Lamet, 86.2, 3.12, 7-3
Zach Plesac, 54.1, 1.49, 2-5
Tony Gonsolin, 28.1, 1.59, 1-3
In the AM cycle just completed, they managed to do something a team of mine has never done here, throw their 5th consecutive shutout:
Believe It or Don't!