New team, old team, blue team, green team

Does the average age of a team matter? Here is a list of the average ages of the world champion teams since 1980:

Year/Team/Average age Batter/Pitcher (*=NL)

2007: BOS 30.1/31.1
2006: STL 29.6/28.6*
2005: CHW 29.2/29.6
2004: BOS 30.5/32.5
2003: FLA 27.7/26.3*
2002: LAA 28.3/30.2
2001: ARI 31.9/30.9*
2000: NYY 31.3/32.0
1999: NYY 30.8/31.2
1998: NYY 30.4/30.2
1997: FLA 28.6/27.5*
1996: NYY 30.0/29.3
1995: ATL 27.9/27.4*
---three division league----
1993: TOR 29.3/29.5
1992: TOR 29.3/30.0
1991: MIN 29.1/28.6
1990: CIN 27.5/27.4*
1989: OAK 29.3/30.0
1988: LAD 28.9/29.2*
1987: MIN 27.8/31.4
1986: NYM 28.0/25.0*
1985: KCR 30.7/26.1
1984: DET 28.5/29.7
1983: BAL 29.7/28.1
1982: STL 27.8/28.7*
1981: LAD 29.3/26.2*
1980: PHI 30.6/28.6*

Twins the last decade and (position in division):
2007: 28.5/27.4 (3)
2006: 28.3/26.9 (1)
2005: 27.6/27.9 (3)
2004: 27.8/28.2 (1)
2003: 27.3/29.7 (1)
2002: 26.6/28.8 (1)
2001: 26.2/27.4 (2)
2000: 26.4/26.6 (5)

2008 ages would probably approximate 27.5/26.5





(data from baseball-reference.com)