Earlier today, Nick Stellini made his FanGraphs debut with a piece about Joe Maddon’s bullpen options for tonight’s win-or-go-home Game 6. As Nick noted, Maddon has seemingly lost faith in the two guys who anchored his bullpen for most of the year: Hector Rondon and Pedro Strop. Strop, particularly, has been out of the loop, as he’s faced just four batters so far in this series. Given how dominant Strop was in the regular season, he was supposed to be a big part of their October bullpen, but given his usage and performance since coming off the disabled list at the end of September, it seems pretty likely that Maddon doesn’t think he’s at 100%.

Hector Rondon’s issues are more obvious. He faced 49 batters in August and September between battling arm issues and serving time on the DL, and those 49 batters hit .422/.469/.778 against him. In the postseason, Rondon has faced 25 more batters, and they’ve gone .333/.360/.542, which only counts as improvement because he was basically the worst pitcher in baseball the last two months of the year. Given that he hasn’t gotten hitters out regularly since July, it’s pretty unlikely we’re going to see Rondon pitching in a high leverage situation tonight.

So, to Nick’s point, the bridge between Jake Arrieta and Aroldis Chapman is pretty shaky. Mike Montgomery provides a good left-handed option, but Cleveland has some guys you don’t want to send a lefty up against in the middle of their order, so what Maddon could really use is a quality right-hander to help him get the ball from his starter to his closer. And that’s why I wouldn’t be surprised to see John Lackey come out of the bullpen tonight.

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Oh, how quickly the tables were turned.

The Cubs, they of the 103 regular-season wins, entered the World Series as the presumptive favorites in the minds of nearly all who chose to be foolish enough to actually forecast the madness that is postseason baseball. The Cubs have the star power and the narrative and the Kris Bryant. That didn’t matter, because the Indians have the pitching. They have Corey Kluber and Andrew Miller, Cody Allen and Bryan Shaw. Chicago now teeters at the precipice of elimination, a hair’s breadth from breaking the hearts of Cubs fans everywhere. Joe Maddon will need to play his hand tonight perfectly, because if they don’t succeed tonight, there will be no Game Seven over which to agonize. He’ll need to save the season, and he’ll need his bullpen to do it.

Given that the Cubs have almost no margin for error at this point, they will need to maximize run prevention above all else. Cleveland will be deploying Josh Tomlin and Kluber in games Six and Seven, respectively, along with a likely heavy dosage of Miller. Runs will be at a premium. Kyle Schwarber will be back in the Chicago lineup, which will help, but there’s only so much he can do when Willson Contreras and Javy Baez are swinging at pitches thrown into the next state and Jason Heyward’s bat is on the side of a milk carton. These games will be about preventing runs, not scoring them.

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The dominant storyline of this postseason is reliever usage — well, the dominant storyline aside from the length of championship droughts, at least. Cleveland manager Terry Francona has freed himself to use elite reliever Andrew Miller when necessary rather than constrain himself to such trivial guidelines as save opportunities. Miller’s success (and Francona’s resultant success) has led people to ask whether this is a watershed moment for standard relief pitcher usage. Has Francona made it acceptable to more closely align optimal reliever usage with leverage rather than inning?

There are a few big reasons to think Miller’s 2016 postseason isn’t going to change bullpens as we know them. First of all, Miller’s contract status makes him immune from the reality that relief pitcher’s earnings are intimately tied to save totals. Like it or not, save totals are of real consequence to relief pitchers who aren’t already receiving hefty salaries. Secondly, managers can do things in the postseason that simply aren’t practical during the 162-game regular-season grind. As an example, consider: even though Francona has utilized Miller in a notably flexible relief-ace role ever since Cleveland acquired him from the Yankees at the end of July, Miller also entered a game in the sixth inning or earlier just once in his 26 regular-season appearances. In the postseason, however, he’s entered in the sixth or early in four of his nine outings.

Perhaps the biggest reason, though, that Miller’s case is unlikely to cause any immediate radical changes in bullpen management, is one discussed by an aptly titled article at ESPN.com by Sam Miller: “Cody Allen makes the Andrew Miller experiment possible”. To avoid confusion (and the resultant mass hysteria) likely to be caused by their shared surname, we’ll refer to the illustrious writer as Sam, and continue referring to the pitcher as Miller. Sam rightfully points out that the mere existence of another elite reliever is what frees up Francona to utilize Miller in such unconventional ways.

“If there were no Andrew Miller, [Cody] Allen might be the talk of this postseason… But Miller’s brilliance has ensured that Allen’s brilliance has gone overlooked. The irony is that Allen’s brilliance had ensured that Miller’s brilliance has been possible.”

Although the ship has long since sailed on making Allen “the talk of this postseason”, we still can (and should) spend some time talking about the other elite reliever who’s helped to situate Cleveland one win away from their first championship in 68 years. Allen has pitched 11.2 innings this postseason — or, to put it another way, has recorded 35 outs. Of those 35 outs, 22 have been via the strikeout — giving him a positively obscene 17.0 K/9 rate. To put that in perspective, uber-reliever Miller is sporting a 15.4 K/9 this postseason and the only reliever ever to top 17.0 K/9 in a regular season is some guy named Aroldis Chapman, who reached 17.7 K/9 in 2014.

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It says something when a pitcher wins 18 games, records a 3.10 ERA, and people are still left wondering what went wrong. Nevertheless, that’s the case for Jake Arrieta and his 2016 season. Because he’s almost cut his slider usage in half this year — and because that alteration coincided with less dominant results than his 2015 campaign — much of the discourse settles on that pitch. His manager even admitted to wondering about it: “The break on the slider/cutter/whatever you want to call it has been more inconsistent,” Joe Maddon said after a poor outing by Arrieta in July.

The Cubs need Arrieta to find his slider tonight in Game Six in order to force this World Series to continue. By one metric — usage — the righty has returned to normal with the pitch. But has he really found it again? To answer the question, we first we need to figure out what he lacked this season relative to last; then we can see if things have returned to normal in the meantime. We’ll break the pitch down by three components: velocity, movement, and command.

Velocity
It’s tempting to point to velocity as the problem. Arrieta has lost a mile per hour on his slider from last year, and velocity is the most important aspect of a slider when it comes to whiffs. Case closed.

Except! Arrieta was up a tick on the fastball and the slider in 2015. Arrieta lost that tick, but he returned to the same velocity that he possessed in 2014, when he posted a 2.53 ERA and broke out with the Cubs. He struck out a batter more per nine innings in 2014, too, so it’s not just ERA that indicates Arrieta has been effective with an 89 mph slider.

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It’s never enjoyable to be the one who rains on a parade. To spoil someone’s hype, to kill someone’s vibe. Hype is an extension of excitement, of enjoyment, and enjoyment is a shared interest among us all. At the same time, it can be important not to let the hype get out of control. When the hype gets out of control, it begins to exceed reality, and disappointment is born out of unmet expectations. Just as the desire for enjoyment is a shared interest among us all, so, too, is the avoidance of disappointment.

Luckily, I’m not about to break any news here when I tell you that Javier Baez has looked a mess at the plate during the World Series, so I can’t take all the credit for raining on the parade and spoiling the hype. The hype is being spoiled right there, on the field, for all to see. I’ve had nothing to do with that. I’m just here to take note, because the 180 from Baez’s fantastic NLDS and NLCS is nearly as remarkable as what happened in those series themselves, and it serves as a necessary reminder not to let the hype get out of control and exceed reality.

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Remember that Josh Tomlin isn’t even really supposed to be here. Not that there’s anything wrong with him, but the Indians like Corey Kluber, and they like Trevor Bauer. They liked Danny Salazar, and they liked Carlos Carrasco. If the Indians had their druthers, Tomlin, perhaps, would be a bullpen long guy right about now. Maybe he would’ve been left off the roster entirely. Not only will Tomlin now start a game that could deliver the Indians a World Series championship — he’s going on short rest. Don’t lose sight of how the Indians are a miracle.

Of course, by name value, the Game 6 starter matchup is frightfully uneven. The Cubs are happy to be going with Jake Arrieta, because a year ago, he was maybe the best pitcher on the planet. Tomlin, meanwhile, recovered from shoulder surgery before making 10 starts. This year, Arrieta took a step back, but Tomlin basically lost his rotation spot. Go off perception, and it feels like the Cubs have a great chance of extending this all to seven. Anyone who knows anything would rather have Arrieta on the mound.

Arrieta, see, is the more talented pitcher. He’s the tougher pitcher to hit. He has higher-quality stuff. The edge Arrieta doesn’t have is in recent results. In what amounts to the most recent history, Tomlin has done a better job of pitching.

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Episode 694
Rob Arthur not only contributes to FiveThirtyEight and Vice but has also been recognized as a doctor of genes. Furthermore, he’s the guest on this edition of the FanGraphs Audio.

This episode of the program either is or isn’t sponsored by SeatGeek, which site removes both the work and also the hassle from the process of shopping for tickets.

Don’t hesitate to direct pod-related correspondence to @cistulli on Twitter.

You can subscribe to the podcast via iTunes or other feeder things.

Audio after the jump. (Approximately 1 hr 2 min play time.)

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Ben and Sam banter about Manny Mota Grip Stick and Smash Mouth’s latest Twitter feud, then discuss the Cubs’ use of Aroldis Chapman in Game 5 and some strategic considerations for the rest of the series.

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Much has been made of Terry Francona’s bullpen use this postseason. His aggressive use of relievers, Andrew Miller in particular, has garnered him a considerable amount of praise from all corners. Phrases like “leverage index” have been evoked beyond just the confines of websites like this one. Francona has managed the postseason very differently from the regular season, and that approach has worked very well given the personnel with which he’s working. Francona has felt comfortable using Miller early in games to preserve leads and once even used him to maintain a tie. In the fourth inning of last night’s Game Five loss, however, Cleveland was presented with a high-leverage situation. Instead of turning to the bullpen, Francona chose to stick with his starter, Trevor Bauer. Bauer gave up three runs in what would ultimately be a 3-2 loss. Did Francona wait too long to make a move?

First, a bit of context. As noted, Bauer started the game for Cleveland — and, over the first three innings last night, was significantly better than he appeared in Game Two. In Bauer’s first World Series start, he recorded 71 pitches through three innings, labored to get outs, and struggled with the strike zone. After a walk, a double play, and a single, Bauer was out of the game, having thrown 87 pitches before completing four innings. Last night, Bauer completed his first three innings efficiently, requiring only 45 pitches against 10 batters, striking out five of them. When he headed out to pitch the fourth inning, Bauer had three very good innings under his belt.

The fourth inning didn’t go as well for Bauer, however. On the third pitch of the inning, he sent a sinker down the middle of the plate to Kris Bryant, and Bryant crushed it to tie the game. Nor was Bryant’s shot a wind-aided gift. Consider: of all batted balls this year which left the bat at 105 mph and with a 23-degree launch angle, 70% of them were home runs.

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