They were the young saplings, mere waifs on the hill for the Twins, but still announcing their presence with authority. It's a Jose Berrios & Dominating Starts By Young Twins Pitchers post at Classic Minnesota Twins. The fascinating eye-candy GIF of Jose waxing on Carlos Gonzalez on May 18, 2017 is worth the price of a visit, as well as the thought-provoking BBRef game-finder table serving as further proof of just HOW amazing young Blyleven was at a young age.

Enough of my bull, the rest is yours...with thanks to Gleeman for putting me onto to the search itself.