DataBaseball
2026

Head to head · 2025 pitching

Andrew Heaney vs Matt Waldron

In 2025 Matt Waldron has been worth 0.5 more wins. Both lines are computed from play-by-play on the same constants, so they are measured the same way rather than quoted from two sources.

2025 pitching. The stronger figure in each row is highlighted — for ERA, FIP, WHIP and walks that is the lower one.
StatisticAndrew HeaneyMatt Waldron
G271
GS231
IP122.14.2
W50
SO863
ERA5.527.71
FIP5.598.49
WHIP1.382.57
K/96.35.8
BB/92.911.6
FIP−134204
WAR-0.7-0.2

Career

Totalled over the seasons published here, which is not the same as a whole career: a player who debuted before 2015 begins at 2015, not at his real first game.

Career pitching totals. ERA, WHIP and the per-nine rates are recomputed from the components rather than averaged; FIP needs each season’s own constant and is left to the table above.
StatisticAndrew HeaneyMatt Waldron
G22353
GS20337
IP1,107.1235.1
W5610
L6917
SV00
SO1,136200
BB33269
ERA4.545.16
WHIP1.281.34
K/99.27.6
BB/92.72.6
HR/91.61.5
WAR9.51.2

More head to heads

The same seasons, measured against somebody else.

How these are computed

FIP uses the constant solved from this season’s own runs, and FIP− is park-adjusted against the same league. dbWAR is our own open implementation — not fWAR or bWAR — and the full derivation, including its simplifications, is on the methodology page. To put these two beside a third, the comparison page takes up to four.