Birtelcom’s recent post on dynastic succession by teams got me to thinking about succession in terms of players. In particular, does the best player at a position remain the best player for an extended period, or does that honor tend to shift around among the better players during any particular time?

To answer this question, I looked at cumulative bWAR measured over 5 year periods, for every such period since 1961. Since I was focusing on individual positions, I set a high threshold of at least 75% of games played at that position during the period. This approach will exclude players who split time among positions, or around the time of a mid-career position switch. But, I believe those are precisely the reasons why this approach is preferable when evaluating players by position.

In his Baseball Abstracts, Bill James talked about the considerations that went into his HOF Standards and HOF Monitor scores. I don’t recall exactly how he expressed it, but one of things James looked at was whether a player was recognized as the best at his position at the player’s peak, and also how long that peak was. I’m not going to delve into the subjective argument of how a player was recognized or regarded. Instead, the table below is one way to represent whether a player was the best at his position, whether recognized as such or not.

So, here’s the table. Scroll through to see the top MLB player by bWAR on a year-by-year. Again, the player identified is the one accumulating the most bWAR in the 5 year period ending with the indicated year. Also, you can type a player’s name, or a year, in the Search bar to bring up that specific information.

5 Years Ending1B2B3BSS
1961Bill SkowronNellie FoxEddie MathewsErnie Banks
1962Orlando CepedaNellie FoxEddie MathewsErnie Banks
1963Norm CashNellie FoxEddie MathewsDick Groat
1964Norm CashBill MazeroskiEddie MathewsDick Groat
1965Norm CashBill MazeroskiEddie MathewsMaury Wills
1966Bill WhiteBill MazeroskiRon SantoJim Fregosi
1967Bill WhitePete RoseRon SantoJim Fregosi
1968Willie McCoveyJoe MorganRon SantoJim Fregosi
1969Willie McCoveyJoe MorganRon SantoJim Fregosi
1970Willie McCoveyDick McAuliffeRon SantoJim Fregosi
1971Willie McCoveyJoe MorganRon SantoRico Petrocelli
1972Willie McCoveyJoe MorganSal BandoBert Campaneris
1973Willie McCoveyJoe MorganSal BandoBert Campaneris
1974George ScottJoe MorganSal BandoBert Campaneris
1975Tony PerezJoe MorganSal BandoBert Campaneris
1976George ScottJoe MorganMike SchmidtBert Campaneris
1977Steve GarveyJoe MorganMike SchmidtBert Campaneris
1978Steve GarveyJoe MorganMike SchmidtDave Concepcion
1979Rod CarewJoe MorganMike SchmidtDave Concepcion
1980Rod CarewWillie RandolphMike SchmidtRobin Yount
1981Keith HernandezWillie RandolphMike SchmidtRobin Yount
1982Keith HernandezBobby GrichMike SchmidtRobin Yount
1983Keith HernandezBobby GrichMike SchmidtRobin Yount
1984Keith HernandezLou WhitakerMike SchmidtRobin Yount
1985Eddie MurrayLou WhitakerMike SchmidtCal Ripken
1986Eddie MurrayLou WhitakerWade BoggsCal Ripken
1987Eddie MurrayLou WhitakerWade BoggsCal Ripken
1988Don MatttinglyRyne SandbergWade BoggsCal Ripken
1989Don MatttinglyRyne SandbergWade BoggsOzzie Smith
1990Will ClarkRyne SandbergWade BoggsAlan Trammell
1991Will ClarkRyne SandbergWade BoggsCal Ripken
1992Will ClarkRyne SandbergWade BoggsCal Ripken
1993Frank ThomasRyne SandbergWade BoggsCal Ripken
1994Frank ThomasRyne SandbergRobin VenturaCal Ripken
1995Frank ThomasCraig BiggioRobin VenturaCal Ripken
1996Jeff BagwellChuck KnoblauchRobin VenturaBarry Larkin
1997Jeff BagwellCraig BiggioMatt WilliamsJohn Valentin
1998Jeff BagwellCraig BiggioKen CaminitiBarry Larkin
1999Jeff BagwellCraig BiggioChipper JonesBarry Larkin
2000Jeff BagwellCraig BiggioChipper JonesAlex Rodriguez
2001Jeff BagwellRoberto AlomarChipper JonesAlex Rodriguez
2002Jason GiambiJeff KentChipper JonesAlex Rodriguez
2003Todd HeltonJeff KentScott RolenAlex Rodriguez
2004Todd HeltonJeff KentScott RolenAlex Rodriguez
2005Todd HeltonJeff KentScott RolenMiguel Tejada
2006Todd HeltonJeff KentScott RolenMiguel Tejada
2007Albert PujolsChase UtleyAlex RodriguezDerek Jeter
2008Albert PujolsChase UtleyAlex RodriguezDerek Jeter
2009Albert PujolsChase UtleyAlex RodriguezDerek Jeter
2010Albert PujolsChase UtleyAlex RodriguezHanley Ramirez
2011Albert PujolsChase UtleyAlex RodriguezHanley Ramirez

 

You can see that dynasties exist for players as well as teams. Sometimes, there are transition periods between the emergence of truly dominant players at a position but, in most cases, players tend to hold their crown for a few years at least, and often more, sometimes a lot more.

So, what do you think? Any surprises? Does this feed fuel to the fire for any HOF arguments?

I will follow up this post with one on outfielders and another on pitchers and catchers. If I’m feeling energetic, I’ll also take a look at 1901-1960.

 

 

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