This was posted to the SABR list by Tom Ruane who does great work for Retrosheet.
After 29 games, both Matt Holliday and Lance Berkman of the Cardinals are batting over .400. This got me to wondering about the last time (or times) a team had two players hitting .400 or more at least thirty games into a season (only counting players with at least 3.1 plate appearances per game played).
Here's what I came up with since 1918:
You can click on the table to see a larger version. For Cochrane and Simmons, it is after the first game of a double-header.
The second number in parenthesis following each player's name is his final batting average that year.
Editor's note: I am not sure if I had heard of Austin McHenry before. Seamheads has a great article about him. See The Promising Life and Tragic Death of Austin McHenry by Mike Lynch.