Why stop there; maybe 2019's 84 wins should be the benchmark. Question: does anyone project the '21 rotation to perform better than '19's five-man electrical band? The current starters may not match up, but may be better when considered as an entire unit, with Andriese, a young Houck, and maybe a rejuvenated Sale as improvements over '19's reinforcements like Cashner and Chacin...
Of course, there are also plenty of what-ifs in the batting order, where only three guys have ever been full-time regulars at a steady position before (not counting DH, where JD still has to prove he can stop flailing at low-and-away junkballs). Kike and Marwin do lend winning experience to the mix...