Royals acquired Vin Mazzaro for the stuff, not the stats

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Last night the Royals traded veteran outfielder David DeJesus to the A’s for 24-year-old starter Vin Mazzaro and pitching prospect Justin Marks.

Marks is a former third-round pick and a solid prospect, but the key to the deal from Kansas City’s point of view was clearly Mazzaro, as general manager Dayton Moore called him “a big, strong guy who our scouts feel can be a solid rotation pitcher for a number of years.”

In his article about the trade Bob Dutton of the Kansas City Star writes that Mazzaro “generally draws raves from scouts for his stuff, particularly a sinking fastball.” Similarly, “a scout” told Jeff Fletcher of AOL Fanhouse that “Mazzaro’s stuff was second only to Trevor Cahill on the A’s.”

I could quote some other examples, but hopefully you get the idea. Mazzaro is 6-foot-2 and 24 years old, scouts love his raw stuff, and the Royals think he can be an impact starter for years to come. And here’s where it gets interesting: Mazzaro’s numbers aren’t particularly impressive at all.

First and foremost he’s 10-17 with a 4.72 ERA in 214 career innings, allowing opponents to bat .290 with a .360 on-base percentage and .452 slugging percentage against him. Among the 139 pitchers who’ve thrown 200 or more innings in the past two seasons, his .812 OPS against ranks 127th.

Delving a little deeper, Mazzaro has managed just 138 strikeouts in 214 innings, which works out to 5.8 whiffs per nine innings. Among those same 139 pitchers with 200-plus innings since 2009 that ranks 94th. And for all the talk about his “sinking fastball” Mazzaro has induced fewer ground balls than the average pitcher at 41.3 percent, which ranks 97th in that group of 139. His walk rate of 3.7 per nine innings ranks 115 out of 139.

So his ERA is 4.72 despite calling a pitchers’ ballpark home, he’s allowed opponents to bat .290 with an .813 OPS, he hasn’t racked up many strikeouts or induced many ground balls, and his control has been poor. In other words, Mazzaro has struggled in basically every key area of performance and even his numbers in the minors showed similar flaws.

What he has on his side is youth and the fact that at least some scouts still think his raw stuff is very good. Moore and the Royals have already established themselves as an organization that doesn’t rely on statistical analysis and in acquiring Mazzaro as the centerpiece of a trade for one of their best players they’re definitely trusting scouts and stuff rather than numbers.

Felix Hernandez dealing with “dead arm”

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Mariners starter Felix Hernandez is dealing with “dead arm” and will head back to Seattle to have his shoulder examined, Ryan Divish of the Seattle Times reports. Hernandez was reportedly visibly upset and left the clubhouse quickly, declining to speak to the media, Divish adds.

Hernandez wasn’t long for Tuesday’s game against the Tigers, as he lasted just two innings, yielding four runs on six hits and two walks with two strikeouts. The Mariners went on to lose 19-9. Hernandez is now carrying a 4.73 ERA over his first five starts.

Not much else can go wrong for the Mariners, who are now 8-13 in last place in the AL West. Mitch Haniger also suffered an oblique injury on Tuesday, joining what is becoming a lengthy list of dinged-up Mariners.

Video: Chris Coghlan dives home to beat the tag

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Blue Jays pinch-hitter Chris Coghlan found a creative way to beat the tag from Cardinals catcher Yadier Molina in the top of the seventh inning of Tuesday night’s game.

With the score tied 2-2, the Jays had a runner on first base and one out as Kevin Pillar faced reliever Matt Bowman. Pillar drove a 1-1 fastball to deep right field. Stephen Piscotty leaped in an attempt to make the catch, but the ball caromed off the wall and back towards the field. Coghlan, who was on first, made his way around third towards home. Piscotty threw home past the cutoff man and the ball reached Molina on several bounces. As Molina went low to apply the tag, Coghlan went high, leaping into the air and somersaulting into home plate to score the go-ahead run.

The Blue Jays would go on to score two in the inning, but the Cardinals answered with two of their own in the bottom half of the seventh. As of this writing, the score remains tied at four apiece.