Darwin Barney's Pacific Coast League (PCL) Sprain
Darwin Barney went on the DL this week spraining "the other" cruciate or Posterior Cruciate knee ligament. I'm sure the Cubs called Iowa Cubs manager Bill Dancy to let him know that his Pacific Coast League (PCL) Iowa team might shortly be getting another middle infielder on rehab assignment for his lineup. Barney sustained the injury to his right knee on the play at home plate on Monday night, scoring the Cubs only run in a 1-0 victory. It looked like he bounced his knee in the dirt during a head first dive and he did stumble a bit getting up from his dive. The MRI showed injury without stretch (grade 1) to his Posterior Cruciate Ligament (PCL). This is considered fairly minor but probably needs to be protected from further injury for about 2-3 weeks.
"As soon as I slid into home plate last night, I knew something was really wrong," he said. "The whole knee went numb. I had an MRI today and it revealed that Grade 1 strain in my knee." (editiorial note: ligament injuries are sprains, muscle injuries are strains)
Right now Darwin Barney can't jump, but you can. So read more after the jump.
There has been plenty of media attention paid to the Anterior Cruciate Ligament (ACL) which when torn in a high performance athlete is treated with reconstructive surgery but little is written about in the media when the posterior cruciate ligament (PCL) is injured. The Posterior Cruciate is structurally the more robust of the two cruciates and isolated PCL injuries can occur but are less frequent and usually produce more subtle symptoms. If both the Anterior and Posterior Cruciates are torn, more drastic instability can occur including knee dislocation but fortunately that is not very common. Most people hear about the fairly common patella (kneecap) dislocation but a true knee dislocation (tibia-femur) is a severe injury and acute knee dislocations can even have nerve and artery damage.
The PCL attaches behind the knee on the tibia and goes to the medial (inner) side of the central notch on the femur. The ligament prevents posterior translation of the tibia relative to the femur above and also provides central rotational stability. Here is an excellent 3D modeling video of the PCL including how the ligament works in flexion and extension of the knee. The Anterior Cruciate (ACL) attaches to the anterior tibial spine near the front of the knee and goes to the lateral (outer) part of the femoral notch. The ligaments cross (hence, cruciate) each other and protect and stabilize the knee when working in tandem from excess rotation and translation.
Before MRI imaging was available, grade 2 vs 3 PCL injuries were sometimes subtle to diagnose on exam with what was called a "posterior sag" sign with the knee extended or a "posterior drawer" sign with the knee flexed. The PCL does image well on MRI studies (see "P" on image), so seeing injury to it (because the tissue signal is altered in injury) is straightforward making even subtle grade 1 injuries possible to diagnose these days.
The most common mechanism of injury is a direct blow to the front of the upper tibia, which is what seemed to happen to Barney's leg in the head first dive at home plate.
Certainly, a grade 1 strain should respond to rest and rehab in a few weeks but when the PCL has a third degree injury and the knee has instability there are arthroscopically assisted surgical reconstructive techniques (see video) available. These have evolved and are significantly improved over the last 2 decades and much of the technology has been based on arthroscopic considerations for the ACL which is now a frequently performed surgery. Brewer ace Yovani Gallardo tore his ACL in May 2008 (against the Cubs avoiding contact with Prince Fielder on a Reed Johnson bunt) and was able to come back to pitch in late September and started a playoff game vs the Phillies that season. The injured PCL has better blood supply than the ACL and therefore can heal without subsequent instability. The PCL is much less frequently reconstructed (than the ACL) and often has several other associated injuries including the ACL and meniscal tears making any associated instability more extensive, so the results are more difficult to assess and should not be compared to the more common anterior cruciate ligament reconstruction outcomes. I don't know of any major league players that have needed PCL reconstruction although I would be interested to hear if any mlb player has had this done.
I wonder if Doc Gryzlo will recommend a few games of rehab in the PCL for Barney's PCL once the swelling and soreness improves.
yes, those hamilton WAR numbers are very reasonable. i'm on your side now based on that biting commentary and reasoning of why he's a 3.5-ish WAR player over a 600 PA season.
those numbers are obviously well deserved and worthy of no scrutiny...none at all. no issue.
CF D is rarer than a jon lester pickoff at 2nd...totally irreplaceable...no way in hell there's good D, low/no-hitting CF's in anyone's minor league system that could do what hamilton is doing with the bat.
Please do not discuss War here. I think the Cub Reporter should be politics free.
But yes, whether you support War or Peace...Mike Trout is ridiculously consistent and good.
"According to FOX Sports' Jon Morosi, Tim Tebow's baseball workout Tuesday in Los Angeles will be attended by scouts from "roughly half" of the 30 major league teams."
"One scout told ESPN.com last week that Tebow's swing is so long it might "take out the front row." That's not a good thing."
MyrtleBeachPelicans [email protected]
The #MBpelicans and @Cubs have extended their PDC through 2020!
Carolina League getting 2 new teams too.
CF WAR is ridiculous...billy hamilton is pulling a 3.0 WAR somehow...and managed a 2.0 WAR last year (even though he missed a month of the season)...and a 3.7 WAR in 2014.
yeah, a lot depends on how one is doing relative to others at a given position, but WAR is common used (right or wrong) as a blanket comparing all kinds of players.
trout's one of the best, and at this point should probably win over donaldson (and should have more MVPs in the past, too), but the defensive aspect of valuing WAR still needs more tweaking...imo.
Mike Trout is ridiculous
Don't know if Cubs will recover from "spanking" Gordo
2nd in defensive WAR, NL.
6th in NL in RBI
Go complain about something else, like, "they never play good against the good teams", or some other shit.
Addy really has trouble breaking through .250 BA -- after his hot streak got him to .251, he has gone 1-for-17.
Thank goodness for Jansen's 2 WP on Friday -- otherwise this would have been a sweep.
There seems to be a direct correlation with overconfidence in the Cubs offense against mediocre/young pitchers and really poor offense against mediocre/young pitchers. So, let's fear the Pirate pitchers!
Rizzo due for a power surge -- one HR in August so far. He truly does hit them in bunches.
Sometimes I'm not as supportive of Cahill as maybe I should be. There, I said it.
Rough 8th inning all around -- HBP, Cahill error, Javy's poor decision.
Oh well - given that the Cubs didn't look like they were going to score, it's better to lose in 9 innings, save the bullpen and get changed for the PJ trip home.
Baez still learning