Pitcher A - .500 team winning percentage in his starts, 3.65 ERA
Pitcher B - .500 team winning percentage in his starts, 3.29 ERA
Pitcher A, of course, costs his team $840,000 per START. Pitcher B, of course, costs his team $380,000 for the SEASON.
Pitcher A decided to take off the first couple months of the year, leading his team (any of the 3 possibilities) to a total of zero wins. Pitcher B has made 12 starts so far and has had a decision in 11 of them.
Pitcher A is a local kid (from Dayton, Ohio). Pitcher B is a local kid (from Pasadena, Texas).
And why am I specifically comparing Roger to Sampson? Because if Roger had decided to come back to the Astros in December and had been in the rotation from the beginning of the year, you'd have never thought about Sampson, since he'd be pitching for Round Rock right now.
Sometimes...you get lucky. And sometimes...it's better to be lucky than good.