AB: At Bats
HR: Home Runs
MLB: Major League Baseball: both American League and National League
Home Run Rate: AB/HR (lower is better)
N: number of MLB teams that season
Top home run hitters: N hitters with the most HR, plus any ties at the bottom
Home Run Rate MLB: for N hitters: total AB / total HR
Home Run Rate hitters: AB/HR
Dif: Home Run Rate hitter - Home Run Rate MLB
PctDif: Dif/Home Run Rate MLB
HR#: rank among N hitters for HR
PctDif#: rank among N hitters for PctDif
PctDifMax: maximum year for an individual year for a player
PctDifMin: minimum year for an individual year for a player
PctDifAve: just that, an unweighted average for a player
Hitters are ranked by relative position: 1, 2, 3, ... Ties would have the same number and then rank number would resume. For example, if four players are tied at third place: 1, 2, 3, 3, 3, 3, 7, 8, ...
42 players had at least 10 years which qualified. Here are the 21 with at least 12 years sorted by Years, PctDifAve (Babe Ruth highest of all 695 players: 49.70%):
| FirstN | LastN | Years | Bat | YearMin | YearMax | DifSum | PctDifMax | PctDifMin | PctDifAve | PctDif#Ave | HR#Ave | HRmax | HRmin | AB/HRmin | AB/HRmax | Nmax |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mel | Ott | 17 | L | 1928 | 1945 | 5706.09% | 44.31% | -22.26% | 14.54% | 4.82 | 5.24 | 42 | 18 | 12.98 | 25.22 | 16 |
| Hank | Aaron | 17 | R | 1955 | 1973 | 2684.68% | 45.38% | -42.89% | 8.47% | 7.00 | 5.35 | 47 | 27 | 9.80 | 22.30 | 24 |
| Reggie | Jackson | 16 | L | 1968 | 1985 | 2306.53% | 33.03% | -12.14% | 7.69% | 9.13 | 10.00 | 47 | 15 | 11.68 | 22.27 | 26 |
| Willie | Mays | 16 | R | 1954 | 1970 | 687.87% | 39.60% | -29.14% | 2.61% | 9.19 | 7.81 | 52 | 22 | 10.73 | 22.09 | 24 |
| Babe | Ruth | 15 | L | 1920 | 1934 | 18674.93% | 76.34% | 11.15% | 49.70% | 1.47 | 2.20 | 60 | 22 | 8.46 | 16.59 | 16 |
| Barry | Bonds | 15 | L | 1990 | 2007 | 5593.48% | 52.52% | -4.30% | 24.59% | 5.07 | 9.00 | 73 | 28 | 6.52 | 15.73 | 30 |
| Ted | Williams | 15 | L | 1939 | 1960 | 5223.54% | 43.78% | -27.82% | 17.98% | 4.87 | 7.47 | 43 | 23 | 10.69 | 24.39 | 16 |
| Alex | Rodriguez | 15 | R | 1996 | 2015 | 1325.78% | 34.93% | -20.40% | 5.46% | 12.07 | 11.27 | 57 | 30 | 10.80 | 17.40 | 30 |
| Albert | Pujols | 15 | R | 2001 | 2016 | 381.93% | 24.30% | -21.73% | 1.83% | 13.93 | 9.93 | 49 | 28 | 10.92 | 22.61 | 30 |
| Frank | Robinson | 15 | R | 1956 | 1974 | 191.35% | 29.27% | -34.26% | 0.42% | 8.93 | 8.27 | 49 | 22 | 11.76 | 21.68 | 24 |
| Lou | Gehrig | 14 | L | 1925 | 1938 | 4746.21% | 41.00% | -24.03% | 16.86% | 5.14 | 4.57 | 49 | 16 | 11.82 | 35.75 | 16 |
| Jimmie | Foxx | 13 | R | 1929 | 1941 | 6405.71% | 49.99% | -25.79% | 24.44% | 3.92 | 4.15 | 58 | 19 | 10.09 | 25.63 | 16 |
| Mike | Schmidt | 13 | R | 1974 | 1987 | 5841.09% | 42.81% | 4.31% | 23.47% | 3.54 | 2.92 | 48 | 31 | 11.42 | 16.64 | 26 |
| Willie | Stargell | 13 | L | 1965 | 1979 | 2541.09% | 41.14% | -11.11% | 10.75% | 8.54 | 11.69 | 48 | 20 | 10.65 | 21.40 | 26 |
| Rafael | Palmeiro | 13 | L | 1991 | 2003 | -1758.10% | 18.47% | -47.30% | -7.68% | 16.92 | 13.23 | 47 | 22 | 12.02 | 27.64 | 30 |
| Harmon | Killebrew | 12 | R | 1959 | 1972 | 4207.82% | 35.80% | 1.27% | 20.77% | 3.83 | 4.33 | 49 | 26 | 11.33 | 17.86 | 24 |
| Sammy | Sosa | 12 | R | 1993 | 2004 | 1590.66% | 34.35% | -18.46% | 9.51% | 10.00 | 8.75 | 66 | 25 | 9.02 | 18.12 | 30 |
| Mickey | Mantle | 12 | B | 1952 | 1967 | 1640.09% | 33.22% | -24.69% | 9.38% | 6.42 | 7.58 | 54 | 22 | 9.52 | 23.87 | 20 |
| Eddie | Mathews | 12 | L | 1952 | 1965 | 606.57% | 26.22% | -26.16% | 2.95% | 7.67 | 6.75 | 47 | 25 | 11.90 | 21.12 | 20 |
| Eddie | Murray | 12 | B | 1977 | 1993 | -2645.11% | 13.96% | -41.76% | -13.22% | 18.58 | 13.67 | 33 | 22 | 17.18 | 22.63 | 28 |
| Stan | Musial | 12 | L | 1943 | 1957 | -6156.95% | 13.15% | -69.58% | -23.71% | 12.42 | 10.00 | 39 | 13 | 15.67 | 47.46 | 16 |
Count of the Years for the 695 players:
| Years | CountOfplayers |
|---|---|
| 17 | 2 |
| 16 | 2 |
| 15 | 6 |
| 14 | 1 |
| 13 | 4 |
| 12 | 6 |
| 11 | 9 |
| 10 | 12 |
| 9 | 21 |
| 8 | 13 |
| 7 | 23 |
| 6 | 34 |
| 5 | 50 |
| 4 | 53 |
| 3 | 75 |
| 2 | 111 |
| 1 | 273 |
Clearly those with fewer than three years should not be considered among the top and bottom PctDifAve. That reduces:
695-(111+273)=311
311 still seems like a lot. Here are the top ten of the 75 with exactly 3 qualifying years:
| FirstN | LastN | Years | Bat | YearMin | YearMax | DifSum | PctDifMax | PctDifMin | PctDifAve | PctDif#Ave | HR#Ave | HRmax | HRmin | AB/HRmin | AB/HRmax | Nmax |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tillie | Walker | 3 | R | 1920 | 1922 | 1555.83% | 36.49% | 3.79% | 19.54% | 3.33 | 3.33 | 37 | 17 | 15.27 | 34.41 | 16 |
| Chris | Carter | 3 | R | 2013 | 2016 | 842.68% | 28.96% | 1.27% | 15.53% | 6.00 | 7.67 | 41 | 29 | 13.39 | 17.45 | 30 |
| Mark | Reynolds | 3 | R | 2009 | 2011 | 695.08% | 17.49% | 10.86% | 13.97% | 5.00 | 6.67 | 44 | 32 | 13.14 | 15.59 | 30 |
| Bo | Jackson | 3 | R | 1988 | 1990 | 758.97% | 16.29% | 9.86% | 13.74% | 7.00 | 12.33 | 32 | 25 | 14.46 | 17.56 | 26 |
| Gene | Tenace | 3 | R | 1974 | 1976 | 862.86% | 14.82% | 12.66% | 13.57% | 7.33 | 9.67 | 29 | 22 | 17.17 | 18.95 | 24 |
| Chet | Laabs | 3 | R | 1942 | 1946 | 729.88% | 28.25% | -20.19% | 11.13% | 5.33 | 8.00 | 27 | 16 | 16.50 | 34.12 | 16 |
| Pat | Seerey | 3 | R | 1944 | 1946 | 754.38% | 32.43% | -18.75% | 10.31% | 6.33 | 11.67 | 26 | 14 | 15.54 | 29.57 | 16 |
| Carlos | Gonzalez | 3 | L | 2010 | 2015 | 497.16% | 14.90% | 1.31% | 9.81% | 8.33 | 12.67 | 40 | 26 | 13.85 | 17.26 | 30 |
| Jim | Gentile | 3 | L | 1961 | 1964 | 399.29% | 25.43% | -7.29% | 8.98% | 7.33 | 10.67 | 46 | 28 | 10.57 | 16.52 | 20 |
| Steve | Balboni | 3 | R | 1984 | 1986 | 489.64% | 16.46% | 4.00% | 8.85% | 8.33 | 10.33 | 36 | 28 | 15.64 | 17.66 | 26 |
Exactly 4 qualifying years:
| FirstN | LastN | Years | Bat | YearMin | YearMax | DifSum | PctDifMax | PctDifMin | PctDifAve | PctDif#Ave | HR#Ave | HRmax | HRmin | AB/HRmin | AB/HRmax | Nmax |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Charlie | Keller | 4 | L | 1941 | 1946 | 2681.64% | 41.81% | 18.88% | 26.83% | 3.75 | 3.00 | 33 | 26 | 15.36 | 20.92 | 16 |
| Kevin | Mitchell | 4 | R | 1989 | 1994 | 1789.79% | 39.03% | 13.35% | 25.96% | 3.00 | 9.25 | 47 | 27 | 10.33 | 14.97 | 28 |
| Rob | Deer | 4 | R | 1986 | 1992 | 1275.74% | 34.54% | 5.41% | 17.21% | 6.75 | 11.00 | 33 | 26 | 12.28 | 17.92 | 26 |
| Khris | Davis | 4 | R | 2015 | 2018 | 989.83% | 24.92% | 9.02% | 15.68% | 5.75 | 8.25 | 48 | 27 | 12.00 | 14.52 | 30 |
| Ted | Kluszewski | 4 | L | 1953 | 1956 | 949.84% | 27.50% | 3.76% | 14.90% | 4.25 | 4.25 | 49 | 35 | 11.69 | 14.77 | 16 |
| Howard | Johnson | 4 | B | 1987 | 1991 | 499.73% | 16.29% | -5.87% | 6.96% | 10.75 | 8.75 | 38 | 24 | 14.84 | 20.63 | 26 |
| David | Justice | 4 | L | 1990 | 2000 | 422.96% | 9.26% | 0.36% | 6.71% | 10.50 | 11.75 | 41 | 28 | 12.78 | 15.68 | 30 |
| Roger | Maris | 4 | L | 1958 | 1962 | 71.28% | 31.74% | -26.72% | 2.08% | 9.25 | 7.25 | 61 | 28 | 9.67 | 20.82 | 20 |
| Mark | Trumbo | 4 | R | 2011 | 2016 | 13.47% | 18.52% | -11.31% | 0.44% | 14.25 | 11.50 | 47 | 29 | 13.04 | 18.59 | 30 |
| Gary | Gaetti | 4 | R | 1986 | 1995 | 73.02% | 14.21% | -20.87% | 0.09% | 13.00 | 11.25 | 35 | 28 | 14.69 | 18.84 | 28 |
Even Roger Maris is at only PctDifAve 2.08% and below number 10 Gary Gaetti all are negative, so eliminating those with 4 years seems reasonable.
Exactly 5 qualifying years: 19 of 50 have positive PctDifAve; top 10:
| FirstN | LastN | Years | Bat | YearMin | YearMax | DifSum | PctDifMax | PctDifMin | PctDifAve | PctDif#Ave | HR#Ave | HRmax | HRmin | AB/HRmin | AB/HRmax | Nmax |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jose | Bautista | 5 | R | 2010 | 2015 | 1912.67% | 39.77% | 8.65% | 22.00% | 5.60 | 6.40 | 54 | 28 | 10.54 | 16.14 | 30 |
| Chris | Davis | 5 | L | 2012 | 2016 | 1452.87% | 37.65% | 6.11% | 16.92% | 7.00 | 8.60 | 53 | 26 | 11.02 | 17.31 | 30 |
| Eric | Davis | 5 | R | 1986 | 1990 | 1088.68% | 28.29% | -9.24% | 12.02% | 7.20 | 14.00 | 37 | 24 | 12.81 | 18.88 | 26 |
| Carlos | Pena | 5 | L | 2007 | 2011 | 964.74% | 35.80% | -5.44% | 11.83% | 9.80 | 18.00 | 46 | 28 | 10.65 | 17.61 | 30 |
| Roy | Campanella | 5 | R | 1950 | 1955 | 881.14% | 21.64% | -8.98% | 10.89% | 6.00 | 8.00 | 41 | 22 | 12.66 | 21.27 | 16 |
| Mickey | Tettleton | 5 | B | 1989 | 1995 | 829.10% | 16.57% | -2.36% | 9.26% | 8.40 | 12.60 | 32 | 26 | 13.41 | 16.41 | 28 |
| J.D. | Martinez | 5 | R | 2014 | 2019 | 634.41% | 35.33% | -14.65% | 8.04% | 12.80 | 12.80 | 45 | 23 | 9.60 | 19.17 | 30 |
| Jim | Edmonds | 5 | L | 1995 | 2005 | 518.39% | 22.37% | -12.43% | 7.06% | 10.60 | 13.40 | 42 | 29 | 11.46 | 16.91 | 30 |
| Tony | Armas | 5 | R | 1980 | 1984 | 605.31% | 20.64% | -6.15% | 6.46% | 9.20 | 6.20 | 43 | 22 | 14.86 | 20.00 | 26 |
| Jack | Fournier | 5 | L | 1921 | 1926 | 748.93% | 23.36% | -21.20% | 5.68% | 6.00 | 7.60 | 27 | 11 | 20.85 | 35.88 | 16 |
Jose Bautista is number one among players with exactly 5 qualifying years. And among all 183 with at least 5 qualifying years, Bautista is number 7:
| FirstN | LastN | Years | Bat | YearMin | YearMax | DifSum | PctDifMax | PctDifMin | PctDifAve | PctDif#Ave | HR#Ave | HRmax | HRmin | AB/HRmin | AB/HRmax | Nmax |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Babe | Ruth | 15 | L | 1920 | 1934 | 18674.93% | 76.34% | 11.15% | 49.70% | 1.47 | 2.20 | 60 | 22 | 8.46 | 16.59 | 16 |
| Mark | McGwire | 10 | R | 1987 | 1999 | 5313.97% | 49.17% | 11.78% | 33.93% | 2.10 | 2.60 | 70 | 32 | 7.27 | 17.19 | 30 |
| Ralph | Kiner | 8 | R | 1946 | 1953 | 3781.31% | 45.73% | 0.60% | 25.58% | 2.88 | 2.38 | 54 | 23 | 10.17 | 21.83 | 16 |
| Barry | Bonds | 15 | L | 1990 | 2007 | 5593.48% | 52.52% | -4.30% | 24.59% | 5.07 | 9.00 | 73 | 28 | 6.52 | 15.73 | 30 |
| Jimmie | Foxx | 13 | R | 1929 | 1941 | 6405.71% | 49.99% | -25.79% | 24.44% | 3.92 | 4.15 | 58 | 19 | 10.09 | 25.63 | 16 |
| Mike | Schmidt | 13 | R | 1974 | 1987 | 5841.09% | 42.81% | 4.31% | 23.47% | 3.54 | 2.92 | 48 | 31 | 11.42 | 16.64 | 26 |
| Jose | Bautista | 5 | R | 2010 | 2015 | 1912.67% | 39.77% | 8.65% | 22.00% | 5.60 | 6.40 | 54 | 28 | 10.54 | 16.14 | 30 |
| Hank | Greenberg | 8 | R | 1934 | 1947 | 3488.50% | 48.31% | -22.14% | 21.72% | 3.63 | 3.75 | 58 | 25 | 9.59 | 22.81 | 16 |
| Giancarlo | Stanton | 6 | R | 2011 | 2018 | 2082.71% | 35.25% | -1.59% | 21.01% | 5.17 | 8.33 | 59 | 27 | 10.12 | 16.24 | 30 |
| Harmon | Killebrew | 12 | R | 1959 | 1972 | 4207.82% | 35.80% | 1.27% | 20.77% | 3.83 | 4.33 | 49 | 26 | 11.33 | 17.86 | 24 |
But 183 seems like too many players. At least:
6 years: 133 players 7 years: 99 players
Seven qualifying years gives 99 players in this 100 year study. Let's go with at least 7 qualifying years. See subsequent posts for results.
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