There are a lot of position players from the second deadball era which I'll say started in Koufax's last year in '66, peaked in '68 when MLB had to lower the mound after Gibson threw up a 1.12 era, Mclain won 30 games, and Yaz won the batting title hitting .301, and had a nice long plateau until the start of the Steroid Era in the '94 strike season.
So I say that 1966-1993 was such a pitcher's era that tons of position players deserve a look. Not Mike Greenwell but others for sure. What's funny is we've seemingly returned to that '70s/'80s status quo of pitching dominance. The only difference is glass armed starters leading to the proliferation of crappy relief pitching.