Chicago/Pittsburgh (Union League) Batting Average Leaders
Career totals with the Chicago/Pittsburgh (Union League) and the best single seasons in club history. Records run through the 2025 season. Combined club name; slug follows the last club, Pittsburgh (Union League)
The single-season record is .317, by Jumbo Schoeneck in 1884.
Rate records use the league's own minimums: a season needs the standard 3.1 plate appearances per team game with the club, a career 3,000+ plate appearances with the club.
All-time Chicago/Pittsburgh (Union League) leaders
Career totals with the clubNo qualifying careers on record.
Single-season Chicago/Pittsburgh (Union League) records
Best seasons in club history| # | Player | Season | AVG | G |
|---|---|---|---|---|
| 1 |
 Jumbo Schoeneck
|
1884 | .317 | 90 |
| 2 |
 Bill Krieg
|
1884 | .247 | 71 |
| 3 | Charlie Householder | 1884 | .239 | 83 |
| 4 |
 Joe Ellick
|
1884 | .236 | 92 |