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Entries in world series (12)


Joe Kelly Should Bring the Heat vs. Big Papi

Michael Wacha's game plan against David Ortiz in Game 2 of the World Series was simple: The St. Louis rookie wasn't going to let Boston's clean-up man beat him on a fastball. That makes sense, considering Ortiz boasts the fifth-highest slugging percentage (.633) in the majors versus heaters and Wacha possesses a deadly changeup. Wacha threw his change nine times out of 16 total pitches (60 percent) versus Ortiz, but Big Papi roped one of those off-speed pitches into the first row of the Green Monster seats. Throw him a fastball? You lose. Throw him a changeup? You still lose.

All of this might make Joe Kelly, the Cardinals' Game 3 starter, sweat. Kelly throws his fastball about two-thirds of the time, and he hasn't yet developed a knockout secondary pitch akin to Wacha's changeup. But he shouldn't necessarily despair. Crazy as it sounds, challenging Big Papi with fastballs might actually be a good strategy for Kelly.

Ortiz does have the best overall slugging percentage against heaters this side of Miguel Cabrera (.682), Paul Goldschmidt (.650), Jayson Werth (.646) and Edwin Encarnacion (.637). However, he does most of that damage against lower-velocity fastballs. Papi is Babe Ruth incarnate versus gas thrown at or below 93 MPH, but he's merely good when pitchers crank it up to 94 MPH or higher. Ortiz also expands his strike zone against fastballs with extra zip:

Ortiz vs. fastballs in 2013, by pitch velocity

Kelly's fastball has the extra zip that typically tames Ortiz's bat, with an average velocity (94.8 MPH) topped only by Nathan Eovaldi (96.1 MPH), Danny Salazar (95.9 MPH), Gerrit Cole (95.6 MPH), Matt Harvey (95.4 MPH), Stephen Strasburg (95.3 MPH) and Chris Archer (94.9 MPH) among starters. And as a starter, Kelly's fastball has been plenty effective: he's limiting batters to a .317 slugging percentage when navigating lineups multiple times. Ortiz, who's already gone deep five times this postseason, can spoil the best of pitches. But Kelly's best bet might be to try and blow Big Papi away.


Wacha's Right-on-Right Changeup Deadly

Michael Wacha evened the World Series at one game apiece last night, limiting Boston's best-in-the-bigs offense to two runs over six innings while striking out six. Just a year removed from anchoring Texas A&M's rotation, Wacha became the first Cardinals starter to win a playoff game at Fenway Park since Bob Gibson took down the Sox in Game 7 of the 1967 Fall Classic. He also tied Gibson's franchise record for consecutive scoreless innings pitched in the postseason, tossing 19 clean frames between Pedro Alvarez's homer in Game 4 of the NLCS and David Ortiz's sixth-inning shot yesterday.

The key to Wacha's Game 2 win? His willingness to throw his changeup to same-handed hitters. Most right-handed starters shelve their changeups when facing righty batters, pulling the string just 7.2 percent of the time. Most pitchers don't have Wacha's changeup, though.

Wacha has thrown his plus-plus change to righties 17.1 percent of the time overall in 2013, and he used it 31.4 percent of the time versus Boston's righty hitters last night. Red Sox righties went a combined 0-for-6 with four strikeouts against Wacha's changeup. Xander Bogaerts went down swinging twice, while Shane Victorino came up empty once and Dustin Pedroia punched out on a foul tip. The whiffs are nothing new for Wacha, whose miss rate with his changeup against righties (47.4 percent) trails just Stephen Strasburg (51.8), Jarrod Parker (48.5), Homer Bailey (47.8) and Kris Medlen (47.7) among right-handed starting pitchers.

Command is big reason why Wacha's tumbling, mid-80s change is so effective. Check out his changeup location versus right-handed hitters this season:

Wacha's changeup location vs. righty batters in 2013

Wacha buries his changeup at righties' knees, throwing the pitch to the lower third of the strike zone 67.9 percent of the time. That's well above the 59.2 percent average for right-handed starters. He also rarely leaves a changeup belt high: Wacha tosses just 18.3 percent of his off-speed offerings to the middle of the plate against righties, way under the MLB average (26 percent) and lowest among right-handed starters save for Homer Bailey (16.3).

Why does that matter? Righty pitchers dominate when they throw their changeups low to same-handed batters (.248 opponent slugging percentage) and get eviscerated when they throw the pitch belt high (.541 slugging percentage). By locating his off-speed stuff low, Wacha has smothered righty hitters for a .125 opponent slugging percentage against the changeup (third-best in the majors, behind Strasburg and Bailey). No righty batter has taken Wacha deep on a changeup, and Willie Bloomquist is the only one to tally even an extra-base hit (a double during Wacha's second big league start back on June 4). Gibby must be proud of this 22-year-old prodigy.


A Tale of Two Lefty-Killers

When the World Series kicks off at Fenway Park on Wednesday, Jacoby Ellsbury and David Ortiz should expect to see plenty of Mike Matheny. The Cardinals manager figures to deploy his two lefty-killers, Randy Choate and Kevin Siegrist, to neutralize Boston's lead-off and clean-up hitters. Ellsbury (.863 on-base-plus-slugging percentage versus right-handed pitching) and Ortiz (1.092 OPS) crush righties, but struggle to square up same-handed pitching (.641 OPS against lefties for Ellsbury, .733 for Ortiz).

Choate, a 38-year-old slopballer, and Siegrist, a 24-year-old rookie possessing Aroldis Chapman-esque heat, share little common ground. But style differences aside, they both give opposing lefties nightmares.

The Slopballer

If you use the bathroom mid-inning, or grab a sandwich, or blink, you might miss Choate's work for the night. He threw an average of 7.6 pitches per appearance during the regular season, by far the lowest among relievers tossing at least 450 total pitches. That's because Choate is the game's ultimate specialist, facing lefty batters 70.2 percent of the time. Few lefty pitchers in history have smothered same-handed hitters like Choate -- he has the third-lowest opponent OPS ever in southpaw versus southpaw matchups:

Lowest career OPS for lefty pitchers vs. lefty batters (minimum 750 at-bats vs. LHB)


Choate has been even better in 2013, holding lefties to a .492 OPS. The side-arm hurler gets such excellent results despite radar gun readings that wouldn't get him pulled over on interstate highways. Choate's sinker has the second-slowest average velocity (85.9 MPH) among relievers, topping only submarine pitcher Darren O'Day (85.6 MPH).

While the pitch lacks zip, Choate's sinker is a ground ball machine -- batters are chopping the offering into the grass 76.3 percent of the time. Fellow Cardinal Seth Maness (77.2 percent) is the only reliever to generate a higher percentage of ground balls with his sinker. Choate peppers the bottom of the strike zone with the pitch, throwing his sinker at lefty hitters' knees 59 percent of the time.

Choate's sinker location vs. lefty hitters, 2013


His slider also comes in soft, with the second-lowest average velocity (76.1 MPH) among 'pen arms (Darren Oliver averaged 75.2 MPH). Batters nonetheless whiff half of the time they swung at Choate's breaker, compared to the 35.9 percent major league average.


Siegrist was in elementary school when Choate started his lefty-killer act, but St. Louis' young southpaw has already made some history of his own. Siegrist posted a 0.45 ERA during the regular season, second-lowest ever for a rookie throwing at least 35 innings. Who bested him? Buck O'Brien (0.38 ERA), a 29-year-old spitballer for the 1911 Red Sox. Hitters quickly figured out O'Brien's spit pitch, and he was out of the game a few years later. Considering his stuff and ability to battle hitters on both sides of the plate (he faced a nearly even amount of lefties and righties), Siegrist won't be vanquished so easily.  

Siegrist has little use for breaking and off-speed pitches, firing his fastball 85.7 percent of the time. And with gas like his, who can blame him? Siegrist's fastball averages 95 MPH, a mark best only by Chapman (98.4 MPH), Jake McGee (96.2 MPH), Jake Diekman (95.6 MPH) and Justin Wilson (95.2 MPH) among lefty relievers.

He pounds the outside corner with the pitch -- no lefty has thrown a higher percentage of heaters to the outer third of the zone (69.6 percent) when they have the platoon advantage. Siegrist's combo of speed and command has helped him limit lefty batters to a .388 OPS, best among left-handed relievers save for Luis Avilan (.383 OPS).

Siegrist's fastball location vs. lefty hitters