[the 'stache]

Calling Rivera the "greatest pitcher of all-time" is just absurd.

Greatest reliever? Debatable, certainly, but I think he is.

But Rivera had one pitch. The cut fastball. That's it. That he is the "greatest of all-time", and closing games instead of starting them should be telling.

What if he were a starter? On the mound in the first inning, his one pitch is hitting maximum velocity. For a few innings, he might be able to keep it close to peak. But soon, that velocity starts to drop as fatigue sets in. And a Mariano Rivera with no other pitch to keep hitters off balance is a dead man walking. To employ Boston vernacular, "Rivera woulda gotten tuned up."

A designated hitter isn't DHing because he's the bestest hitter in the world. He's doing it because the guys on the field can do something he can't. Taken as a whole, his hitting and poor fielding provides less value than the starters on the field. A starting pitcher can do what a closer cannot. The closer provides less value, just as the DH.

Look at the Brewers' Josh Hader. Two seasons in Milwaukee. A 183 ERA+. His 2018 FIP of 2.23 would represent the fifth best of Rivera's career. His 0.811 WHIP would be the second best of Rivera's career. Hader struck out 143 batters in 81 1/3 IP, or 15.8/9 IP. The Major League record for strikeouts in a nine inning game is 20. Hader averages about 16 Ks per 9 innings.

Does anybody here think that Hader would be nearly that effective as a starter? I sure as hell don't. That there's a debate on Brewers forums, "should we keep him in the pen, or let him start" speaks volumes. If you had a pitcher that could throw six to seven innings, thirty-three times a season, and strike out 15.8 batters per 9 innings, you're seriously going to tell me you'd keep him in the pen? Say Hader threw 200 innings as a starter, keeping that K rate. That would put him at about 350 strikeouts.

And you're going to keep him in the pen? 350 strikeouts in 200 innings, with a sub 0.900 WHIP and a FIP below 2.25 is a Cy Young-winning top-of-the-rotation starter.

If Rivera has to face the same lineup three or four times in a game, with one pitch, there's not a chance in hell he maintains his effectiveness. He couldn't do the starter's job. But there are multiple starters in today's game that, if they assumed a closer's role, could do a job comparable to Rivera or Hader. Clayton Kershaw from a year or two ago, prior to his injuries, would absolutely baffle batters for an inning. Toss Chris Sale out there. Corey Kluber. Jacob deGrom had a 216 ERA+ over 32 starts and 217 IP. 1.70 ERA and a 1.99 FIP! Would you want to face him fresh, in the ninth inning, down by a run? Here, coach. Take my bat, and find somebody else. I'm going to look like John Kruk against Randy Johnson.

Rivera is not the best pitcher to ever play the game. Just stop it.