LSU is playing in the BCS Championship game, close to home in New Orleans in their home state of Louisiana. Does home field advantage matter in major bowls? Or is it not a factor when two of the top teams meet at the end of the year? And just what should be the critieria for "home advantage" if it's not your "home field"?
The factors cited as being responsible for home field advantage include crowd support and travel distance. The former would be less of a factor in a bowl game, where many fans support the opponent; the latter effect would certainly be more true for older games, especially pre-WWII games on bad roads where travel often meant physical hardship before the well-being of football teams had such importance. Additionally, studies have shown that a team defending its "home turf" has higher testosterone levels prior to game time, giving a very primal physical reason for home field advantage.
Whatever the cause, most statistical analyses of scores show a definite home field advantage, on average about 3 points from a neutral field. It may not be present in all home games; it might be magnified in some; and certain teams and stadiums may see more of an effect than others; but on average, it exists. But does it exist at the highest level of play, the major bowl games?
To try to figure this out, I looked at the results for the major bowls: the current four used by the BCS (Rose, Orange, Sugar, Fiesta), and the Cotton Bowl, which was considered one of the big four before the Fiesta Bowl's emergence as a January bowl, and is still played on New Year's Day.
First let's look at the Granddaddy of Them All, the Rose Bowl:
Rose Bowl
There are two teams that could be considered "home teams" when playing at the Rose Bowl. First of course, is UCLA, where they are actually on their home field (since 1982), and USC, which is also located in the Los Angeles area.
Records
USC: 23-9
UCLA: 5-7
From this it appears that USC plays well at the Rose Bowl but not UCLA. But let's dig a bit deeper. UCLA lost its first five Rose Bowls. How good was the program then? How good were their opponents?
To decide if there was any home advantage, I looked at only games that were considered "upsets" by comparing AP rankings prior to the game. This isn't a perfect method—sometimes higher ranked teams are actually underdogs, as Ohio State can attest to—but overall it's a pretty good indicator. When neither team was ranked I used the results only when one team had a clearly better record than the other prior to the game.
Upsets
USC: 11-2
UCLA: 4-2
Now it appears much clearer: both teams have done very well for themselves, losing only twice each when they were supposed to win, and winning many upsets. These results are made a bit more fair when only "modern era" games are counted; USC had several upset wins from 1930 to 1944 that probably don't reflect current conditions in the game. So, counting only games from the mid-60s on:
Modern upsets
USC: 6-2
UCLA:4-1
Overall, home teams at the Rose Bowl are 10-3 in upset wins/losses. This seems to reflect a definite advantage for the home squad. During the 70s and 80s these teams were 9-1 in beating the Big Ten in upset wins. USC's only upset losses at the Rose Bowl were in 1989 and the 2006 loss to Vince Young and Texas, making the latter feat all the more impressive.
Orange Bowl
The Miami Hurricanes lost their final game at the Orange Bowl this season, but they've had much success there, especially at the bowl game that shares the stadium name. Three of their five national championships were won at home, the most memorable the 1984 win over juggernaut Nebraska.
Miami
Record:6-3 (5-1 modern)
Upsets:4-0 (3-0 modern)
Again, it looks like Miami has a home field advantage on their own home field, which is not surprising. This does show that it probably carries through to big bowl games, though the sample size is small. Combined with what we see from USC and UCLA, it can probably be said that teams that play in big bowls, at least in their home town if not home stadium, have a definite home field advantage.
We can test perhaps test this further with Arizona State in the Fiesta Bowl.
Fiesta Bowl
The Fiesta Bowl didn't start until 1971 and wasn't a major bowl for a while. Its importance grew with the Arizona State-Nebraska game in 1975, and it became a January bowl in 1982. The Miami-Penn State national championship game in 1987 made it one of the biggest bowls, and it has remained since.
Arizona State
Record:5-1
Upsets:1-0
There isn't much to go on here. The first three Fiesta Bowls were mismatches with strong Sun Devil teams against teams willing to go to the new bowl. In 1975 an undefeated Arizona State team proved itself to the nation by beating Nebraska 17-16. They beat Oklahoma in 1983 but that wasn't an upset. So while Arizona State has certainly done well at its home bowl, it doesn't add much useful information.
Cotton Bowl
The Cotton is the hardest to analyze, since there are so many Texas teams that have been in it, and many are not really that close. So this is where we have to start considering distance from the stadium. Two teams, SMU and TCU, normally play in or near Dallas where the Cotton Bowl takes place.
SMU
Record: 2-1-1 (1-1 modern)
Upsets: 1-0 (0-0 modern)
TCU
Record: 2-3-1 (0-0 modern)
Upsets: 1-2 (0-0 modern)
There aren't any really useful results from these teams. They did so-so overall, and 2-2 in total upsets, and all of these games were in the 50s or earlier.
But what about other big Texas teams? Like, Texas itself? And Tech and A&M? These teams have long histories in the Cotton Bowl, and they all play in the state of Texas. But they are all at least three hours away. Do they get the same home team effect as USC, UCLA, Miami, and ASU?
Texas
Record: 11-10-1 (6-7 modern)
Upsets: 4-8 (2-6 modern)
Texas A&M
Record: 4-7 (3-6 modern)
Upsets: 2-3 (2-2 modern)
Texas Tech
Record: 0-3 (0-2 modern)
Upsets: 0-1 (0-0 modern)
These teams don't seem to have any advantage at all in the Cotton Bowl. Texas and A&M are about 3 hours from Dallas, while Tech is at least 5. Overall they have poor records, and while A&M and Tech don't have any useful upset results, the Longhorns seem snakebitten in the Cotton Bowl. The biggest upset was probably in 1978, when Notre Dame shocked unanimous #1 Texas 38-10.
Looking at other teams from the previously analyzed bowls yields similarly ambiguous results. If the team does not play in the stadium or in the same town, home advantage for the game is tenuous, if it exists at all.
Fiesta Bowl: Arizona (1-1, 1-0 modern upsets)
Rose Bowl: California (2-5-1, 0-3 upsets, 0-0 modern upsets)
Orange Bowl: Florida (3-0, 1-0 modern upsets)
Orange Bowl: Florida State (3-4, 1-2 modern upsets)
Of these, Arizona is reasonably close to the bowl stadium, while the others are 5 hours or more. This doesn't solve whether or not there might be an advantage for an in-state team in bowl games, but there's not enough data for it. Looking at regular-season games played under these conditions might help, or looking at data from smaller bowls, assuming either or both scenario transfers over.
This brings us to the Sugar Bowl, and the team at hand, Louisiana State. As noted, they play in-state and close to home when they go to the Sugar Bowl. But they don't play strictly "at home." If they did, we would expect a big home field advantage.
They play closer to home—about 80 miles away—than any of the "secondary" teams considered (Texas, et al) but not "at home" or in the same city, as USC, UCLA, Miami, and Arizona State. So they're sort of in a "middle area" in terms of having a home advantage. Here's how they've done:
Sugar Bowl
LSU record: 6-7
LSU modern record: 5-2
LSU upset record: 1-3
LSU modern upset record: 1-1
Again, results are inconclusive. They've done ok, but not great in the Sugar Bowl overall. But since 1965 they've done well. Considering games they should have won or lost, they're only 1-3; but two of those were in 1937 and 1938. Their only win over a higher-ranked team was in 2002 over Illinois, and most people expected them to beat the Illini that year; likewise, their 1987 loss to Nebraska was an upset in poll rankings only.
So in conclusion: home field advantage holds true for the big bowl games when there is definitely a home field, or at least a home town. Being in the home state does not have the effect, at least in the same degree, especially for teams that are several hours away.
For teams that are about an hour away, like LSU? More data is needed, but for now there's nothing suggesting a positive effect by wins and losses alone. A more thorough analysis of point spreads would give a better indication. Also considering the distance away of the opponent might shed some light.
I would guess that LSU will have a small home advantage tonight. They're a lot closer, and the crowd will be majority Tigers. But it's probably closer to being a neutral field game than an actual home game.