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A Different View Shows Theilbar's Season as More OK than Awful


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Relievers are a different then starters so judging a reliever by just his ERA doesn’t tell the whole story.  So lets look at Theilbar and see if he has been successful for the season or not so far.  We are going to start by going through game logs and comparing to a reliever with a similar ERA and another who is getting the job done and make notes.

As of the All-Star break Theilbar has pitched in 31 games with 22.1 innings and given up 14 earned runs for a 5.64 ERA.  In his 31 games he has 8 games where he has given up runs.  Or just in 25.8% of his games.  He has the following breakdown of Earned Runs given up in his appearances.

1 game with 4 earned runs

1 game with 3 earned runs

1 game with 2 earned runs

5 games with 1 earned run

I wanted to point out that half of his earned runs came in two appearances spanning 1/3 of an inning.  He gave up 3 runs in his first game of the season coming off of the disabled list. And 4 runs in another appearance.  Without those two appearances his ERA is under 3.00 which is almost in half.  

Lets compare with Funderburk who has appeared in 26 games with 33.2 innings and a 5.61 ERA.  Funderburk has given up runs in 13 or half of his appearances.  Now to be fair he is averaging over 40% more innings per appearance than Theilbar.  But at the end of the day.  Theilbar has a significantly better rate of pitching a scoreless appearance.

Funderburk has the following distribution of runs given up. 

1 game of 4 earned runs

1 game of 3 earned runs

3 games of 2 earned runs

8 games of 1 earned run

for comparisons sake, if you take out Funderburk's two worst appearances his ERA is still over 4. which is a reduction in ERA of around 1.5 ERA vs Theilbar's almost 3 ERA improvement from taking out his 2 worst appearances.  

Now lets look at a reliever who is deemed to be having a great year in Jax.

Jax has pitched in 44 games and given up earned runs in 8 of them.  18.2% of his appearances he has given up earned runs. 

His distribution is

1 game with 2 earned runs

7 games with 1 earned run.

The difference between these two is 2 appearances with an earned run by Theilbar more that Jax and that two of his appearances he was blown out with 3 and 4 runs during his appearance.  So that is those 2 appearances with 7 combined earned runs out of his 31 appearances makeup the difference between Theilbar and Jax level effectiveness in terms of % of appearances without giving up an Earned Run.  also pointing out that taking out Jax's 2 worst appearances amounts to 3 earned runs in 1 inning, so his ERA drops from 1.91 to 1.31 which is only .6 earned runs per 9 innings compared to the almost 3.ERA drop from Theilbar's two worst appearances.  Thus, making Theilbar's 2 worst appearances more costly to his overall numbers.

And lastly let's look at Theilbar vs previous Theilbar and see how he fares against last year's record.  Last year Theilbar gave up earned runs in 8 of his 36 appearances or in 22.2% of his appearances.  He had the distribution of

3 games with 2 earned runs

5 games with 1 earned run

The difference between this year's Theilbar and last year's Theilbar is 5 more scoreless appearances, and in two of them he gave up more runs.  With a few more scoreless appearances he could be just as successful at run prevention per appearance as last year.

Why then do we feel like Theilbar should be on the chopping block.  Here is an observation.  By June 12th he had 3 out of 6 appearances where he gave up runs including one where he gave up 4 earned runs in an appearance.  At that point he had given up runs in 8 of his 23 appearances, which is in 34.8% of them.  He was looking like a candidate to be reassigned.  He only had 3 more appearances in June.  And he has 5 more in July where he has not given up an earned run.  Also, his two worst appearances skew his ERA more than the other 2 examples by a long shot which also makes it seem his season is worse than it is.  It seems like he has turned a corner and being more effective overall.  I think it says that Thielbar is having more of an OK season that a bad one.  He was having a borderline bad one and then it seems he has turned a corner. 

I do not think this method of evaluation is the only way to look at a reliever’s success, but it does help to remove or minimize the view of the damage 2 bad appearances do for a reliever.  How does this view affect your view of his season so far?  Is his season more just OK then awful? 

11 Comments


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Whitey333

Posted

Always disingenuous to analyze a relief pitcher when you take out his bad appearances.  Of course he will look good when you do that.  The fact is he gave up those runs.  Plus he gives up too many inherited runs.  I think he is just what his stats for the season show.  He's just a below average relief pitcher.  

Brandon

Posted

1 hour ago, Whitey333 said:

Always disingenuous to analyze a relief pitcher when you take out his bad appearances.  Of course he will look good when you do that.  The fact is he gave up those runs.  Plus he gives up too many inherited runs.  I think he is just what his stats for the season show.  He's just a below average relief pitcher.  

The idea was to show how much those two appearances affected his overall numbers compared to how much it affects the numbers of other relievers.  I used Funderburk because he has a similar ERA.  And Funderburk was less affected by his worst two performances and Jax even less so.  This illustrates that two performances are skewing his overall effectiveness.  Relievers are more volatile from year to year and it’s usually a bad appearance or two is why.  While the bad appearance is a part of their record.  I’m trying to show how his pitching is overall.  By comparing the damage done from 2 worst appearances and overlapping with percentage of appearances with earned runs, you see that Theilbar is closer to the effectiveness of Jax then he is to Funderburk.  As I said at the end of the post,  it’s not a full proof way to evaluate.  But it does help normalize the numbers so the two appearances don’t young what else he’s done. 

Schmoeman5

Posted

No! Just look at his last outing. He's a specialist, right?  Vs the Giants he gets the RH hitters but if memory serves me the 2 LH hitters he faced reached base. If your specialty is getting out same handed hitters and you can't do that, then there's problems. He has not been effective this year. 

Patzky

Posted

1 hour ago, Whitey333 said:

Always disingenuous to analyze a relief pitcher when you take out his bad appearances.  Of course he will look good when you do that.  The fact is he gave up those runs.  Plus he gives up too many inherited runs.  I think he is just what his stats for the season show.  He's just a below average relief pitcher.  

I sometimes wonder why Rocco is reluctant to pull any pitcher (starter or reliever) in the middle of an inning.

Then I see the inherited runner stats.. whoa. And not just Thielbar. Okert, Staumont. Funderburk. Ish.

Charlie19

Posted

I love Thielbar...don't get me wrong. To say he has been ineffective so far would be wrong. he's not going to be the Thielbar that we all thought was lights out last year. Is he cooked? I don't think so. don't forget he was the only left handed reliever we even had before the season started, and I still trust him more than Okert or Funderbirk.. Out of 8 or 9 bullpen guys we need at least 2  be effective lefties. if we see the road ahead we know Varland or Paddack are ending up in the pen. I would have Thielbar out there no matter who else is. Dude knows how to pitch.

Also...if I am correct....a reliever must pitch to three batters. however, if you bring in a ...say lefty to pitch to a lefty with 2 outs....you can replace him with another reliever at the start of the next inning. Maybe we should look at Baldelli and his staff for mismanaging this entire aspect of the games?

Karbo

Posted

Thielbar has looked better recently. Age is bound to catch up with all athletes, its an outcome that can't be changed. Caleb will fill a purpose the rest of the season, just not that reliable late inning guy he has been. I still trust him more than Okert or Funderburk.

Patzky

Posted

48 minutes ago, Karbo said:

Thielbar has looked better recently. Age is bound to catch up with all athletes, its an outcome that can't be changed. Caleb will fill a purpose the rest of the season, just not that reliable late inning guy he has been. I still trust him more than Okert or Funderburk.

I like Okert to start an inning. He is much cleaner than when he comes in to clean up a mess.. we have nobody who excels there. 

mnfireman

Posted

Twins relief pitchers have been horrible at not allowing inherited runners to score - an MLB worst 45% (49/109 inherited runners) have scored. But the 3 lefties are the worst offenders; Thielbar 57% (8/14), Okert 54% (7/13) and Funderburk 47% (9/19) have combined to allow 24 of 46 inherited runners, 52%, to score. I don't know if this is because they are brought into face a LHB with runners on and don't get him out and then have to face a bunch of RHB or what, but this needs to be corrected or it will cost the team in close games and possibly the play-offs. 

My personal opinion is that all 3 nibble at the edges too much and get beat when they have to throw it in the zone. Challenge the batters early and make them chase a pitchers pitch with two strikes instead of the other way around.

JD-TWINS

Posted

On 7/17/2024 at 10:23 PM, Charlie19 said:

I love Thielbar...don't get me wrong. To say he has been ineffective so far would be wrong. he's not going to be the Thielbar that we all thought was lights out last year. Is he cooked? I don't think so. don't forget he was the only left handed reliever we even had before the season started, and I still trust him more than Okert or Funderbirk.. Out of 8 or 9 bullpen guys we need at least 2  be effective lefties. if we see the road ahead we know Varland or Paddack are ending up in the pen. I would have Thielbar out there no matter who else is. Dude knows how to pitch.

Also...if I am correct....a reliever must pitch to three batters. however, if you bring in a ...say lefty to pitch to a lefty with 2 outs....you can replace him with another reliever at the start of the next inning. Maybe we should look at Baldelli and his staff for mismanaging this entire aspect of the games?

Baldelli has nothing to do with Thielbar’s  ineptitude! …… pretty sure Caleb would confirm that. Professional Athletes not performing & that getting put on their Manager is old.

Thielbar can get guys out if he’s on - like pretty much every reliever in the game. His % of “on” has dropped off considerably. When your stuff is on fine margins you can’t afford to walk people or get behind 3-0 when entering games and there’s been too much of him putting himself in a hole.

Either of the other lefties have had their bad days as well - Okert’s ERA is 3.86 though……seems that tells the story of effectiveness.

Charlie19

Posted

On 7/18/2024 at 5:42 AM, Patzky said:

I like Okert to start an inning. He is much cleaner than when he comes in to clean up a mess.. we have nobody who excels there. 

That's an old school Tom Kelly thing like, "let them clean up their own mess". I just think if you are going to use the new rules...you should use them. I am sure (correct me if I'm wrong), that if you have one out and 2 big lefties coming up...bring the lefty(if you have ANY) I am sure you could bring Jax or Alcala for the start of the next inning. These are high leverage spots, and that's what they get paid for

Charlie19

Posted

On 7/19/2024 at 10:52 AM, JD-TWINS said:

Baldelli has nothing to do with Thielbar’s  ineptitude! …… pretty sure Caleb would confirm that. Professional Athletes not performing & that getting put on their Manager is old.

Thielbar can get guys out if he’s on - like pretty much every reliever in the game. His % of “on” has dropped off considerably. When your stuff is on fine margins you can’t afford to walk people or get behind 3-0 when entering games and there’s been too much of him putting himself in a hole.

Either of the other lefties have had their bad days as well - Okert’s ERA is 3.86 though……seems that tells the story of effectiveness.

I did not say it was baldelli's fault....I meant maybe they can manage the bullpen better. We all know who pulls the strings

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