← NYM at WSH, Sep 25, 2026
5:45 PM CT · Nationals Park · lineup confirmed
Hitter · NYM · batting 7Marcus Semien
Bats rightTalent grade CContactNormal
.303wOBA vs LHP.294xwOBA vs his mix3.5expected PA
Starter · WSHAndrew Alvarez
Throws leftBTB Stuff 107Trending Up
4.6projected K22%K%1.9trips vs this hitter
Andrew Alvarez's pitches, by how they moveHitter's edgeEvenPitcher's edge
-20-100+10+20-20-100+10+20Arm side →← Glove side↑ Rise (in)Curveball: 33% usage, 83.1 mph, -10.7″ arm side, -12.2″ rise. Marcus Semien: wOBA .279 vs league .283 (about even).Curveball 33%Fastball: 30% usage, 92.3 mph, +3.4″ arm side, +14.3″ rise. Marcus Semien: wOBA .336 vs league .341 (about even).Fastball 30%Slider: 17% usage, 84.6 mph, -1.0″ arm side, -1.1″ rise. Marcus Semien: wOBA .304 vs league .308 (about even).Slider 17%Sinker: 13% usage, 91.7 mph, +14.9″ arm side, +4.9″ rise. Marcus Semien: wOBA .361 vs league .365 (about even).Sinker 13%Changeup: 7% usage, 86.6 mph, +15.1″ arm side, +4.9″ rise. Marcus Semien: wOBA .310 vs league .314 (about even).Changeup 7%

Bubble size is how often he throws it. Color is Marcus Semien's wOBA against pitches shaped like it, compared with league. Hover a pitch for the numbers; the table below has all of them.

MarketBTBWithout the matchupMatchup
1+ hit58.4%59.1%-0.7
2+ total bases30.5%31.1%-0.6
Home run8.1%8.4%-0.3
Matchup: points this starter, his pitch mix, the bullpen and the park add or take away, against the same hitter over the same trips facing league-average opposition. "Without the matchup" takes them back out.
What moves the number
1+ hit
Starter
-0.8
Pitch mix
-0.6
Bullpen
+0.3
Park
+0.4
2+ total bases
Starter
-0.8
Pitch mix
-0.5
Bullpen
+0.3
Park
+0.4
Home run
Starter
-0.5
Pitch mix
-0.2
Bullpen
+0.1
Park
+0.2

Points each piece adds or takes away. The pitch-mix piece is folded into the fitted model when it scores the pair, so it often reads zero.

Pitch by pitch

Marcus Semien against each of Andrew Alvarez's pitches
His pitchUsageVeloMovementHis wOBALeagueHis whiff%LeagueSampleRead
Curveball33%83.1-11″ / -12″.279.28330.9%28.7%7Little history vs this shape
Fastball30%92.3+3″ / +14″.336.34112.1%14.7%17About league average vs these
Slider17%84.6-1″ / -1″.304.30837.4%35.0%7Little history vs this shape
Sinker13%91.7+15″ / +5″.361.36510.0%12.5%16About league average vs these
Changeup7%86.6+15″ / +5″.310.31431.7%29.5%9About league average vs these
Matched by shape: every pitch in our history that moved like each of the starter's pitches, not just ones with the same name. Movement is horizontal / induced vertical break in inches. Display only; the fitted model reads the matchup its own way.

Statcast

opens on left-handers, the hand he faces tonight

No pitch-level data for this hitter in the current window.

FormNormal
Contact rating35Below average
Last 100 pitches20trending down
wOBA / xwOBA.306 / .302results in line with his contact
Last 12 games, oldest to newest
Hit9/12
2+ total bases2/12
Home run1/12

Context only. Streaks and hot or cold labels don't move a projection: in our tests recent results didn't predict the next two weeks better than the season.

Two strikes

Andrew Alvarez WSH · LHPwith two strikes
Andrew Alvarez with two strikes. Put-away: share of two-strike pitches that end the at-bat with a strikeout.
PitchOverall2 strikesWhiff%Put-awayLeague put-away
Curveball33%49%40.2%28.6%21.2%
Fastball30%23%6.5%12.7%18.6%
Slider17%17%31.2%19.2%21.6%
Changeup7%8%0.0%4.3%18.3%
Sinker13%3%20.0%30.0%17.7%
Marcus Semien bats Rwith two strikes, vs this hand
Marcus Semien with two strikes against this hand, shrunk toward league. About league average vs his two-strike stuff
With two strikesHimLeague
K%39.5%41.5%
Whiff%21.2%21.6%
Contact%78.8%78.4%
Chase%38.5%39.9%
wOBA.231.245
Whiff vs his put-away shapes24.7%25.1%

The hitter

season-level talent read
Talent gradeCContact type
wOBA.304
K%15.6%
BB%9.7%
Whiff%9.7%
Barrel%2.8%
Hard-hit%24.6%
Avg EV87.6

Against left-handers, last 90 days

69 PA
wOBA.303
xwOBA vs this mix.294against pitches like his
RV/100-0.13
Hard-hit%26.2%
K%19.5%
BB%9.9%

Talent blends this season with last season, shrunk toward league average where the sample is thin. Recent hot or cold streaks are not weighted: in our tests they didn't predict the next two weeks better than the season does.

The starter he faces
Andrew AlvarezLHP · WSH vs NYM
4.6projected strikeouts · likely 2 to 7 · 21.5 batters over 5.0 innings
≤3 strikeouts: 32.3%32%≤34 strikeouts: 18.6%19%45 strikeouts: 17.2%17%56 strikeouts: 13.3%13%67 strikeouts: 8.8%9%78 strikeouts: 5.1%5%89+ strikeouts: 4.7%5%9+book 4.5
Over 4.5: 49% (red bars) · under: 51%. Chance of each exact strikeout total, from the served distribution.
K%22.2%
BB%11.3%
Whiff%10.1%
Velo87.4
BTB Stuff107
Location97
PitchUsageBTB Stuff 60 · 100 · 140VeloWhiff
Curveball33%13482.915.8%
Fastball31%8592.23.4%
Slider17%10484.515.4%
Sinker13%10491.74.4%
Changeup7%9486.611.5%
Last 3 startsTrending Up
DatePitchesK%Whiff%Hard-hit%wOBA
Sep 199235%15%17%.241
Sep 129731%14%15%.190
Sep 67826%5%26%.300

Season numbers from the last 90 days of Statcast. BTB Stuff and Location read on a scale where 100 is league average. Recent starts are context; the projection doesn't weight them.

Andrew Alvarez WSH · LHPvsNYM lineupstrikeout rate vs his hand

3 of 9 strike out more than the average hitter tonight

Strikeout rate against left-handers over the last 90 days (season rate where the split is missing). Line: tonight's average hitter, 22.5%. Red strikes out more, blue less.

The rest of the gameNYM @ WSH →Both lineups, bullpens, the pitch-mix battles and park air.Marcus Semien: every projection we've made →