STAT-ERA-wk9 -- All players in database
Regular season
| Primary |
| Name | Name | ERA |
| Mark Fidrych | Totems | 0.98 |
| Joe Coleman | Lions | 1.15 |
| Rollie Fingers | Elephants | 1.38 |
| Randy Jones* | Mets | 1.50 |
| Ron Reed | Monarchs | 1.60 |
| Jerry Koosman* | Mets | 1.88 |
| Tom Seaver | Gladiators | 1.96 |
| Bill Campbell | Royals | 1.98 |
| Pat Zachry | Beavers | 2.04 |
| Nolan Ryan | Dragons | 2.08 |
| Dennis Eckersley | Schema Busters | 2.20 |
| Bill Bonham | Angels | 2.21 |
| Mike Torrez | Prince Archbishops | 2.23 |
| Jim Palmer | Royals | 2.26 |
| John Hiller* | Gladiators | 2.50 |
| Steve Carlton* | Colts | 2.58 |
| Carl Morton | Schema Busters | 2.58 |
| John Candelaria* | Prince Archbishops | 2.61 |
| Jon Matlack* | Royals | 2.64 |
| Vida Blue* | Beavers | 2.73 |
| Jim Barr | Fortress | 2.79 |
| Phil Niekro | Lions | 2.80 |
| Wayne Garland | Elephants | 2.82 |
| Jerry Reuss* | Sparkplugs | 2.85 |
| Ed Halicki | Surf | 2.85 |
| Bert Blyleven | Gladiators | 2.86 |
| Don Gullett* | Elephants | 2.89 |
| Dennis Leonard | Seals | 2.93 |
| Andy Hassler* | Colts | 2.98 |
| Paul Hartzell | Elephants | 2.98 |
| Mike Caldwell* | Mets | 3.07 |
| Ray Bare | Cruisers | 3.08 |
| John Montefusco | Sparkplugs | 3.08 |
| Rick Wise | Prince Archbishops | 3.10 |
| Butch Metzger | Totems | 3.12 |
| Steve Renko | Lions | 3.17 |
| Dave Pagan | Beavers | 3.19 |
| Don Sutton | Monarchs | 3.21 |
| J. R. Richard | Seals | 3.22 |
| Doug Bird | Angels | 3.24 |
| Sid Monge* | Lions | 3.25 |
| Rudy May* | Gladiators | 3.26 |
| Andy Messersmith | Fortress | 3.26 |
| Gaylord Perry | Totems | 3.30 |
| Gary Nolan | Dragons | 3.32 |
| Rick Reuschel | Angels | 3.34 |
| Harry Rasmussen | Barons | 3.36 |
| Jim Umbarger* | Stingers | 3.44 |
| Jack Billingham | Cruisers | 3.48 |
| Craig Swan | Schema Busters | 3.55 |
| Burt Hooton | Royals | 3.55 |
| Dock Ellis | Monarchs | 3.57 |
| Tommy Boggs | Colts | 3.60 |
| Nelson Briles | Barons | 3.63 |
| Stan Thomas | Dragons | 3.64 |
| Ed Figueroa | Surf | 3.70 |
| Frank Tanana* | Barons | 3.76 |
| Steve Rogers | Mets | 3.78 |
| Bill Singer | | 3.82 |
| Fred Norman* | Elephants | 3.86 |
| Dave Roberts* | Barons | 3.87 |
| Gary Ross | Dragons | 3.88 |
| Ken Brett* | Seals | 3.89 |
| Jim Kern | Cruisers | 3.89 |
| Fergie Jenkins | Sparkplugs | 3.89 |
| Bob Forsch | Prince Archbishops | 3.90 |
| Tom Underwood* | Surf | 3.92 |
| Pat Dobson | Stingers | 3.94 |
| Rick Waits* | Stingers | 3.97 |
| Don Carrithers | Lions | 4.00 |
| Mickey Lolich* | Totems | 4.03 |
| John Curtis* | Colts | 4.05 |
| Woodie Fryman* | Angels | 4.09 |
| Jim Slaton | Beavers | 4.14 |
| Wilbur Wood* | Sparkplugs | 4.14 |
| Pete Falcone* | Beavers | 4.14 |
| Steve Dunning | Lions | 4.18 |
| Reggie Cleveland | Schema Busters | 4.24 |
| Rob Dressler | Monarchs | 4.24 |
| Steve Luebber | Fortress | 4.28 |
| Jim Willoughby | Mets | 4.30 |
| Ken Holtzman* | Barons | 4.36 |
| Jim Rooker* | | 4.38 |
| Catfish Hunter | Surf | 4.38 |
| John Denny | Elephants | 4.40 |
| Rick Sawyer | Fortress | 4.41 |
| Bruce Kison | Mets | 4.41 |
| Ray Burris | Schema Busters | 4.42 |
| Dave Freisleben | Prince Archbishops | 4.44 |
| Rich Gossage | Sparkplugs | 4.71 |
| Dick Ruthven | Stingers | 4.71 |
| Paul Lindblad* | Fortress | 4.76 |
| Dan Larson | Barons | 4.80 |
| Paul Splittorff* | Cruisers | 4.81 |
| Dick Bosman | Lions | 4.81 |
| Bill Lee* | Stingers | 4.83 |
| Luis Tiant | Gladiators | 4.91 |
| Jim Colborn | Dragons | 4.98 |
| Dick Pole | Beavers | 5.00 |
| Larry Christenson | Cruisers | 5.02 |
| Rick Rhoden | Colts | 5.03 |
| Lynn McGlothen | Angels | 5.03 |
| Al Fitzmorris | Totems | 5.06 |
| Tommy John* | Seals | 5.12 |
| Rick Jones* | Cruisers | 5.14 |
| Dave Goltz | Seals | 5.17 |
| Brent Strom* | Surf | 5.31 |
| Jim Bibby | Fortress | 5.31 |
| Jerry Augustine* | Sparkplugs | 5.35 |
| Jim Lonborg | Monarchs | 5.37 |
| Jim Kaat* | Totems | 5.43 |
| Doyle Alexander | Elephants | 5.46 |
| Dan Spillner | Beavers | 5.46 |
| Paul Mitchell | Colts | 5.55 |
| Ross Grimsley* | Prince Archbishops | 5.56 |
| Don Kirkwood | Elephants | 5.77 |
| Vern Ruhle | Monarchs | 5.82 |
| Dan Warthen* | Gladiators | 5.87 |
| Don Stanhouse | Fortress | 6.02 |
| Joe Niekro | Royals | 6.04 |
| Doug Rau* | Dragons | 6.14 |
| Doc Medich | Cruisers | 6.16 |
| Larry Dierker | Monarchs | 6.22 |
| Bill Travers* | Colts | 6.30 |
| Joaquin Andujar | Mets | 6.43 |
| Stan Bahnsen | Lions | 6.70 |
| Jim Hughes | Stingers | 6.86 |
| Charlie Hough | Prince Archbishops | 8.08 |
| Mike Cosgrove* | Beavers | 11.62 |