At #4 we have our all-time Cy Young leader with 7 - Keith Caldwell. From Seasons 21 through 28, only 1 season went by with Caldwell winning a CY somewhere (4 NL and 3 AL). He also dominates the quality stats leaderboards like no one not named Rojas - 3rd in BA allowed, 2nd in OB% allowed, 2nd in Slugging % allowed, 2nd in WHIP, 2nd in ERA.
At #3 we have our sole reliever and longevity champ (still going strong at 40), Ramiro Goya. The 5-time FOY winner is far and away our career saves leader (with 734, over 100 ahead of #2). In the qualitative stats, he's #1 in WHIP, OBA allowed and K/BB, #3 in Slugging % Allowed and ERA, and #4 in BA Allowed.
At #2 we have the best pitcher of the modern era, Miguel Rojas. He dominates the qualitative stats career leaderboards - tops in BA allowed, #3 on OBA allowed, #1 in Slugging allowed, #1 in ERA and #3 in WHIP. All in a fairly pitcher-hostile ballpark. The only possible knock on Rojas was that he wasn't a monster innings eater - he was usually in the 210's in IP - but his 276 wins is still #3 all-time. Throw in 5 Cy Young's and he's a pretty unassailable #2.