espn_headlines - general sports headlines
espn_mlb - mlb news
espn_nhl - nhl news
espn_nba - nba news
espn_nfl - nfl news
Check them out. They are all direct rss feeds from ESPN with the exception of the nba feed (already existed), which I have asked LJ support to switch to the espn feed from newsisfree because the current link is broken (hasn't yet been switched).