
Will Brennan
Free Agent (AAA)OF
Age: 28
Bats/Throws: L/L
5'11" / 205
DOB: 2/2/1998
(28 years, 9 months, 11 days)
OF
| Season | 2026 | Total |
| Team | SFG | - - - |
| Level | MLB | MLB |
| G | 11 | 280 |
| PA | 23 | 889 |
| HR | 0 | 14 |
| AVG | .087 | .263 |
| OBP | .087 | .301 |
| SLG | .087 | .365 |
| wOBA | .077 | .290 |
| wRC+ | -59 | 86 |
| WAR | -0.4 | 0.2 |
2026 Games
Played
Played
LF:4
RF:4
DH:1
RosterResource
| Draft: | 2019, Rd: 8, Pick: 23, Ovr: 250 |
| Draft Team: | Cleveland Guardians |
| Signing Bonus: | $163,900 |
| School: | Kansas State |
| Contract | 1 yr, $509.6k (2026) (RR) |
Free Agent/Arb | AAV: $510k |
| Notes | $900k split contract, prorated |
Service Time
2.155MiLB Options
1
Free Agent
2027
News
Rotowire: The Giants outrighted Brennan to Triple-A Sacramento on Wednesday, Alex Pavlovic of NBC Sports Bay Area reports. (6/17/2026)
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| Season | Handedness | BB% | K% | BB/K | AVG | OBP | SLG | OPS | ISO | BABIP | wRC | wRAA | wOBA | wRC+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | vs L as L | 0.0% | 0.0% | 0.00 | 1.000 | 1.000 | 1.000 | 2.000 | .000 | 1.000 | 1 | 0.9 | .890 | 486 |
| 2026 | vs R as L | 0.0% | 14.3% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | -3 | -5.4 | .000 | -100 |
| 2026 | vs L | 0.0% | 0.0% | 0.00 | 1.000 | 1.000 | 1.000 | 2.000 | .000 | 1.000 | 1 | 0.9 | .890 | 486 |
| 2026 | vs R | 0.0% | 14.3% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | -3 | -5.4 | .000 | -100 |
| Season | Home / Away | BB% | K% | BB/K | AVG | OBP | SLG | OPS | ISO | BABIP | wRC | wRAA | wOBA | wRC+ |
| 2026 | Home | 0.0% | 25.0% | 0.00 | .125 | .125 | .125 | .250 | .000 | .167 | 0 | -1.3 | .111 | -33 |
| 2026 | Away | 0.0% | 6.7% | 0.00 | .067 | .067 | .067 | .133 | .000 | .071 | -1 | -3.1 | .059 | -74 |
| 2026 | Home vs L | 0.0% | 0.0% | 0.00 | 1.000 | 1.000 | 1.000 | 2.000 | .000 | 1.000 | 1 | 0.5 | .890 | 486 |
| 2026 | Home vs R | 0.0% | 28.6% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | -1 | -1.8 | .000 | -100 |
| 2026 | Away vs L | 0.0% | 0.0% | 0.00 | 1.000 | 1.000 | 1.000 | 2.000 | .000 | 1.000 | 1 | 0.5 | .890 | 486 |
| 2026 | Away vs R | 0.0% | 7.1% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | -2 | -3.6 | .000 | -100 |
| Season | Monthly | BB% | K% | BB/K | AVG | OBP | SLG | OPS | ISO | BABIP | wRC | wRAA | wOBA | wRC+ |
| 2026 | Mar/Apr | 0.0% | 12.5% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | -1 | -2.0 | .000 | -100 |
| 2026 | May | 0.0% | 13.3% | 0.00 | .133 | .133 | .133 | .267 | .000 | .154 | -1 | -2.4 | .119 | -31 |
| 2026 | 1st Half | 0.0% | 13.0% | 0.00 | .087 | .087 | .087 | .174 | .000 | .100 | -2 | -4.4 | .077 | -59 |
| Season | Batted Balls | BB% | K% | BB/K | AVG | OBP | SLG | OPS | ISO | BABIP | wRC | wRAA | wOBA | wRC+ |
| 2026 | Grounders | 0.0% | 0.0% | 0.00 | .111 | .111 | .111 | .222 | .000 | .111 | -1 | -1.6 | .099 | -44 |
| 2026 | Flies | 0.0% | 0.0% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | -1 | -2.6 | .000 | -100 |
| 2026 | Liners | 0.0% | 0.0% | 0.00 | 1.000 | 1.000 | 1.000 | 2.000 | .000 | 1.000 | 1 | 0.5 | .890 | 486 |
| Season | Location | BB% | K% | BB/K | AVG | OBP | SLG | OPS | ISO | BABIP | wRC | wRAA | wOBA | wRC+ |
| 2026 | as L to Left | 0.0% | 0.0% | 0.00 | .222 | .222 | .222 | .444 | .000 | .222 | 0 | -0.9 | .198 | 22 |
| 2026 | as L to Center | 0.0% | 0.0% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | -1 | -1.0 | .000 | -100 |
| 2026 | as L to Right | 0.0% | 0.0% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | -1 | -1.8 | .000 | -100 |
| 2026 | Pull | 0.0% | 0.0% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | -1 | -1.8 | .000 | -100 |
| 2026 | Center | 0.0% | 0.0% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | -1 | -1.0 | .000 | -100 |
| 2026 | Opposite | 0.0% | 0.0% | 0.00 | .222 | .222 | .222 | .444 | .000 | .222 | 0 | -0.9 | .198 | 22 |
| Season | Leverage | BB% | K% | BB/K | AVG | OBP | SLG | OPS | ISO | BABIP | wRC | wRAA | wOBA | wRC+ |
| 2026 | Low Leverage | 0.0% | 15.4% | 0.00 | .154 | .154 | .154 | .308 | .000 | .182 | 0 | -1.9 | .137 | -19 |
| 2026 | Medium Leverage | 0.0% | 11.1% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | -1 | -2.3 | .000 | -100 |
| 2026 | High Leverage | 0.0% | 0.0% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | 0 | -0.3 | .000 | -100 |
| Season | Through Count | BB% | K% | BB/K | AVG | OBP | SLG | OPS | ISO | BABIP | wRC | wRAA | wOBA | wRC+ |
| 2026 | Through 2 - 0 | 0.0% | 0.0% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | 0 | -0.3 | .000 | -100 |
| 2026 | Through 1 - 0 | 0.0% | 0.0% | 0.00 | .143 | .143 | .143 | .286 | .000 | .143 | 0 | -1.1 | .127 | -26 |
| 2026 | Through 2 - 1 | 0.0% | 0.0% | 0.00 | .200 | .200 | .200 | .400 | .000 | .200 | 0 | -0.6 | .178 | 9 |
| 2026 | Through 1 - 1 | 0.0% | 0.0% | 0.00 | .143 | .143 | .143 | .286 | .000 | .143 | 0 | -1.1 | .127 | -26 |
| 2026 | Through 0 - 1 | 0.0% | 23.1% | 0.00 | .077 | .077 | .077 | .154 | .000 | .100 | -1 | -2.6 | .068 | -65 |
| 2026 | Through 2 - 2 | 0.0% | 0.0% | 0.00 | .500 | .500 | .500 | 1.000 | .000 | .500 | 0 | 0.2 | .445 | 188 |
| 2026 | Through 1 - 2 | 0.0% | 50.0% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | -1 | -1.0 | .000 | -100 |
| 2026 | Through 0 - 2 | 0.0% | 50.0% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | -1 | -1.5 | .000 | -100 |
| Season | Situational | BB% | K% | BB/K | AVG | OBP | SLG | OPS | ISO | BABIP | wRC | wRAA | wOBA | wRC+ |
| 2026 | Bases Empty | 0.0% | 14.3% | 0.00 | .071 | .071 | .071 | .143 | .000 | .083 | -1 | -2.9 | .064 | -68 |
| 2026 | Men on Base | 0.0% | 11.1% | 0.00 | .111 | .111 | .111 | .222 | .000 | .125 | -1 | -1.6 | .099 | -44 |
| 2026 | Men In Scoring | 0.0% | 0.0% | 0.00 | .167 | .167 | .167 | .333 | .000 | .167 | 0 | -0.8 | .148 | -11 |
| Season | Position | BB% | K% | BB/K | AVG | OBP | SLG | OPS | ISO | BABIP | wRC | wRAA | wOBA | wRC+ |
| 2026 | as LF | 0.0% | 0.0% | 0.00 | .200 | .200 | .200 | .400 | .000 | .200 | 0 | -0.6 | .178 | 9 |
| 2026 | as RF | 0.0% | 9.1% | 0.00 | .091 | .091 | .091 | .182 | .000 | .100 | -1 | -2.1 | .081 | -57 |
| 2026 | as DH | 0.0% | 33.3% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | 0 | -0.8 | .000 | -100 |
| 2026 | as PH | 0.0% | 25.0% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | -1 | -1.0 | .000 | -100 |
| Season | Batting Order | BB% | K% | BB/K | AVG | OBP | SLG | OPS | ISO | BABIP | wRC | wRAA | wOBA | wRC+ |
| 2026 | Batting 1st | 0.0% | 0.0% | 0.00 | .200 | .200 | .200 | .400 | .000 | .200 | 0 | -0.6 | .178 | 9 |
| 2026 | Batting 6th | 0.0% | 0.0% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | 0 | -0.8 | .000 | -100 |
| 2026 | Batting 7th | 0.0% | 33.3% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | 0 | -0.8 | .000 | -100 |
| 2026 | Batting 8th | 0.0% | 0.0% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | 0 | -0.8 | .000 | -100 |
| 2026 | Batting 9th | 0.0% | 22.2% | 0.00 | .111 | .111 | .111 | .222 | .000 | .143 | -1 | -1.6 | .099 | -44 |
| Season | Shifts | BB% | K% | BB/K | AVG | OBP | SLG | OPS | ISO | BABIP | wRC | wRAA | wOBA | wRC+ |
| 2026 | No Shift | 0.0% | 0.0% | 0.00 | .222 | .222 | .222 | .444 | .000 | .222 | 0 | -0.9 | .198 | 22 |
| 2026 | Shift - All | 0.0% | 0.0% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | -2 | -2.8 | .000 | -100 |
| 2026 | Shift - Traditional | 0.0% | 0.0% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | -1 | -2.6 | .000 | -100 |
| 2026 | Shift - Non Traditional | 0.0% | 0.0% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | 0 | -0.3 | .000 | -100 |
| Season | Handedness | BB% | K% | BB/K | AVG | OBP | SLG | OPS | ISO | BABIP | wRC | wRAA | wOBA | wRC+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | vs L as L | 0.0% | 0.0% | 0.00 | 1.000 | 1.000 | 1.000 | 2.000 | .000 | 1.000 | 1 | 0.9 | .890 | 486 |
| 2026 | vs R as L | 0.0% | 14.3% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | -3 | -5.4 | .000 | -100 |
| 2026 | vs L | 0.0% | 0.0% | 0.00 | 1.000 | 1.000 | 1.000 | 2.000 | .000 | 1.000 | 1 | 0.9 | .890 | 486 |
| 2026 | vs R | 0.0% | 14.3% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | -3 | -5.4 | .000 | -100 |
| Season | Home / Away | BB% | K% | BB/K | AVG | OBP | SLG | OPS | ISO | BABIP | wRC | wRAA | wOBA | wRC+ |
| 2026 | Home | 0.0% | 25.0% | 0.00 | .125 | .125 | .125 | .250 | .000 | .167 | 0 | -1.3 | .111 | -33 |
| 2026 | Away | 0.0% | 6.7% | 0.00 | .067 | .067 | .067 | .133 | .000 | .071 | -1 | -3.1 | .059 | -74 |
| 2026 | Home vs L | 0.0% | 0.0% | 0.00 | 1.000 | 1.000 | 1.000 | 2.000 | .000 | 1.000 | 1 | 0.5 | .890 | 486 |
| 2026 | Home vs R | 0.0% | 28.6% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | -1 | -1.8 | .000 | -100 |
| 2026 | Away vs L | 0.0% | 0.0% | 0.00 | 1.000 | 1.000 | 1.000 | 2.000 | .000 | 1.000 | 1 | 0.5 | .890 | 486 |
| 2026 | Away vs R | 0.0% | 7.1% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | -2 | -3.6 | .000 | -100 |
| Season | Monthly | BB% | K% | BB/K | AVG | OBP | SLG | OPS | ISO | BABIP | wRC | wRAA | wOBA | wRC+ |
| 2026 | Mar/Apr | 0.0% | 12.5% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | -1 | -2.0 | .000 | -100 |
| 2026 | May | 0.0% | 13.3% | 0.00 | .133 | .133 | .133 | .267 | .000 | .154 | -1 | -2.4 | .119 | -31 |
| 2026 | 1st Half | 0.0% | 13.0% | 0.00 | .087 | .087 | .087 | .174 | .000 | .100 | -2 | -4.4 | .077 | -59 |
| Season | Batted Balls | BB% | K% | BB/K | AVG | OBP | SLG | OPS | ISO | BABIP | wRC | wRAA | wOBA | wRC+ |
| 2026 | Grounders | 0.0% | 0.0% | 0.00 | .111 | .111 | .111 | .222 | .000 | .111 | -1 | -1.6 | .099 | -44 |
| 2026 | Flies | 0.0% | 0.0% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | -1 | -2.6 | .000 | -100 |
| 2026 | Liners | 0.0% | 0.0% | 0.00 | 1.000 | 1.000 | 1.000 | 2.000 | .000 | 1.000 | 1 | 0.5 | .890 | 486 |
| Season | Location | BB% | K% | BB/K | AVG | OBP | SLG | OPS | ISO | BABIP | wRC | wRAA | wOBA | wRC+ |
| 2026 | as L to Left | 0.0% | 0.0% | 0.00 | .222 | .222 | .222 | .444 | .000 | .222 | 0 | -0.9 | .198 | 22 |
| 2026 | as L to Center | 0.0% | 0.0% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | -1 | -1.0 | .000 | -100 |
| 2026 | as L to Right | 0.0% | 0.0% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | -1 | -1.8 | .000 | -100 |
| 2026 | Pull | 0.0% | 0.0% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | -1 | -1.8 | .000 | -100 |
| 2026 | Center | 0.0% | 0.0% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | -1 | -1.0 | .000 | -100 |
| 2026 | Opposite | 0.0% | 0.0% | 0.00 | .222 | .222 | .222 | .444 | .000 | .222 | 0 | -0.9 | .198 | 22 |
| Season | Leverage | BB% | K% | BB/K | AVG | OBP | SLG | OPS | ISO | BABIP | wRC | wRAA | wOBA | wRC+ |
| 2026 | Low Leverage | 0.0% | 15.4% | 0.00 | .154 | .154 | .154 | .308 | .000 | .182 | 0 | -1.9 | .137 | -19 |
| 2026 | Medium Leverage | 0.0% | 11.1% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | -1 | -2.3 | .000 | -100 |
| 2026 | High Leverage | 0.0% | 0.0% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | 0 | -0.3 | .000 | -100 |
| Season | Through Count | BB% | K% | BB/K | AVG | OBP | SLG | OPS | ISO | BABIP | wRC | wRAA | wOBA | wRC+ |
| 2026 | Through 2 - 0 | 0.0% | 0.0% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | 0 | -0.3 | .000 | -100 |
| 2026 | Through 1 - 0 | 0.0% | 0.0% | 0.00 | .143 | .143 | .143 | .286 | .000 | .143 | 0 | -1.1 | .127 | -26 |
| 2026 | Through 2 - 1 | 0.0% | 0.0% | 0.00 | .200 | .200 | .200 | .400 | .000 | .200 | 0 | -0.6 | .178 | 9 |
| 2026 | Through 1 - 1 | 0.0% | 0.0% | 0.00 | .143 | .143 | .143 | .286 | .000 | .143 | 0 | -1.1 | .127 | -26 |
| 2026 | Through 0 - 1 | 0.0% | 23.1% | 0.00 | .077 | .077 | .077 | .154 | .000 | .100 | -1 | -2.6 | .068 | -65 |
| 2026 | Through 2 - 2 | 0.0% | 0.0% | 0.00 | .500 | .500 | .500 | 1.000 | .000 | .500 | 0 | 0.2 | .445 | 188 |
| 2026 | Through 1 - 2 | 0.0% | 50.0% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | -1 | -1.0 | .000 | -100 |
| 2026 | Through 0 - 2 | 0.0% | 50.0% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | -1 | -1.5 | .000 | -100 |
| Season | Situational | BB% | K% | BB/K | AVG | OBP | SLG | OPS | ISO | BABIP | wRC | wRAA | wOBA | wRC+ |
| 2026 | Bases Empty | 0.0% | 14.3% | 0.00 | .071 | .071 | .071 | .143 | .000 | .083 | -1 | -2.9 | .064 | -68 |
| 2026 | Men on Base | 0.0% | 11.1% | 0.00 | .111 | .111 | .111 | .222 | .000 | .125 | -1 | -1.6 | .099 | -44 |
| 2026 | Men In Scoring | 0.0% | 0.0% | 0.00 | .167 | .167 | .167 | .333 | .000 | .167 | 0 | -0.8 | .148 | -11 |
| Season | Position | BB% | K% | BB/K | AVG | OBP | SLG | OPS | ISO | BABIP | wRC | wRAA | wOBA | wRC+ |
| 2026 | as LF | 0.0% | 0.0% | 0.00 | .200 | .200 | .200 | .400 | .000 | .200 | 0 | -0.6 | .178 | 9 |
| 2026 | as RF | 0.0% | 9.1% | 0.00 | .091 | .091 | .091 | .182 | .000 | .100 | -1 | -2.1 | .081 | -57 |
| 2026 | as DH | 0.0% | 33.3% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | 0 | -0.8 | .000 | -100 |
| 2026 | as PH | 0.0% | 25.0% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | -1 | -1.0 | .000 | -100 |
| Season | Batting Order | BB% | K% | BB/K | AVG | OBP | SLG | OPS | ISO | BABIP | wRC | wRAA | wOBA | wRC+ |
| 2026 | Batting 1st | 0.0% | 0.0% | 0.00 | .200 | .200 | .200 | .400 | .000 | .200 | 0 | -0.6 | .178 | 9 |
| 2026 | Batting 6th | 0.0% | 0.0% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | 0 | -0.8 | .000 | -100 |
| 2026 | Batting 7th | 0.0% | 33.3% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | 0 | -0.8 | .000 | -100 |
| 2026 | Batting 8th | 0.0% | 0.0% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | 0 | -0.8 | .000 | -100 |
| 2026 | Batting 9th | 0.0% | 22.2% | 0.00 | .111 | .111 | .111 | .222 | .000 | .143 | -1 | -1.6 | .099 | -44 |
| Season | Shifts | BB% | K% | BB/K | AVG | OBP | SLG | OPS | ISO | BABIP | wRC | wRAA | wOBA | wRC+ |
| 2026 | No Shift | 0.0% | 0.0% | 0.00 | .222 | .222 | .222 | .444 | .000 | .222 | 0 | -0.9 | .198 | 22 |
| 2026 | Shift - All | 0.0% | 0.0% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | -2 | -2.8 | .000 | -100 |
| 2026 | Shift - Traditional | 0.0% | 0.0% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | -1 | -2.6 | .000 | -100 |
| 2026 | Shift - Non Traditional | 0.0% | 0.0% | 0.00 | .000 | .000 | .000 | .000 | .000 | .000 | 0 | -0.3 | .000 | -100 |

