1B Alex 'Superfly' Sierra #16
Vacaville Steelheads SPBC
Age: 34 | Bats: R | Throws: R | Morale: Normal
12/31/2025
BNN Index | SPBC | SCORES | STANDINGS | STATS | TEAMS | PLAYERS | TRANSACTIONS | HISTORY
1B ALEX 'SUPERFLY' SIERRA #16 - AGE: 34 - BATS: R - THROWS: R - MORALE: NORMAL
G AB H 2B 3B HR RBI BB K AVG OBP SLG SB WAR
33 106 25 6 0 1 12 17 24 .236 .336 .321 2 -0.4
BATTING RATINGS (OSA)
Overall Pot. Overall Vs Left Vs Right Pot.  
Contact 4 4 4 4
BABIP 4 4 4 4
Avoid K's 4 5 4 4
Gap 4 4 4 4
Power 4 4 4 4
Eye 8 8 7 8
FIELDING RATINGS
Catcher Infield Outfield
Range: - 45 30
Errors: - 60 50
Arm: 20 60 55
Turn DP: - 35 -
Framing: 20 - -
POSITION RATINGS
Pitcher: - Shortstop: 30
Catcher: - Left Field: 20
1st Base: 70 Center Field: -
2nd Base: 25 Right Field: -
3rd Base: 50
       
RUN/BUNT
Running Speed: 40
Stealing Aggressiveness: 40
Stealing Ability: 40
Baserunning Inst.: 40
Sacrifice Bunt: 40
Bunt for Hit: 20
   
GAME LOG, LAST 10 GAMES
Date Vs. Result AB R H BI HR BB K SB
09/07/2025 @ SC Loss, 3-4 4 0 0 1 0 0 1 0
09/05/2025 @ MXC Loss, 4-8 4 0 0 0 0 0 0 0
09/04/2025 @ MXC Loss, 4-5 4 0 1 0 0 0 1 0
09/03/2025 @ MXC Win, 5-3 0 0 0 0 0 0 0 0
09/02/2025 VAN Win, 3-2 2 0 0 0 0 0 1 0
09/01/2025 VAN Loss, 3-5 4 0 0 0 0 0 1 0
08/31/2025 VAN Loss, 2-6 4 1 2 1 0 0 0 1
08/30/2025 @ SAS Loss, 4-6 4 0 1 0 0 0 1 0
08/29/2025 @ SAS Win, 9-7 4 1 1 2 0 0 1 0
08/28/2025 @ SAS Loss, 2-5 3 0 1 0 0 1 1 0
PERSONALITY
Alex brings a level-headedness to the clubhouse.
High: Adaptability
Low: Leader
Birthday:06/04/1991
Born in:Redondo Beach, CA
Nationality:American
Height:6' 4"
Weight:195 lbs
Local Popularity:Insignificant
National Pop.:Insignificant
STATUS
Contract:Major League Contract
Salary:$3,300
Signed Through:2026 Season
Major Service:6 Years, 27 Days
Service This Yr:38 Days
40-Man Service:7 Years, 28 Days
Pro Service:10 Years
Arbitration Eligibility:Not eligible, free agent after contract expires!
Option Years:Out of option years
Contract Extension: -
Drafted:2013, 5th Pick in Round 1
SEMI-PRO BASEBALL CIRCUIT 2025 BATTING STATS
Batting G AB H 2B 3B HR RBI R BB K AVG OBP SLG OPS WOBA ISO wRC+
Overall 33 106 25 6 0 1 12 15 17 24 .236 .336 .321 .657 .303 .085 80
Batting GS PA HP IW CI GDP SH SF TB EBH SB CS SB% RC RC/27 WAR  
Overall 32 127 0 0 0 2 2 2 34 7 2 2 50.0 12.4 3.77 -0.4  
Batting   AB H 2B 3B HR RBI R BB K SF SH HP AVG OBP SLG OPS
Versus Left   21 7 1 0 0 1 5 4 4 0 1 0 .333 .440 .381 .821
Versus Right   85 18 5 0 1 11 10 13 20 2 1 0 .212 .310 .306 .616
Batting   AB H 2B 3B HR RBI R BB K SF SH HP AVG OBP SLG OPS
August   88 24 6 0 1 11 15 17 20 2 1 0 .273 .383 .375 .758
September   18 1 0 0 0 1 0 0 4 0 1 0 .056 .056 .056 .111
Career   106 25 6 0 1 12 15 17 24 2 2 0 .236 .336 .321 .657
Home   51 13 2 0 1 5 10 10 9 2 2 0 .255 .365 .353 .718
Road   55 12 4 0 0 7 5 7 15 0 0 0 .218 .306 .291 .597
Grass   90 20 5 0 1 9 13 15 21 2 2 0 .222 .327 .311 .638
Turf   16 5 1 0 0 3 2 2 3 0 0 0 .312 .389 .375 .764
Day   43 6 1 0 0 2 5 4 10 1 2 0 .140 .208 .163 .371
Night   63 19 5 0 1 10 10 13 14 1 0 0 .302 .416 .429 .844
As Starter   106 25 6 0 1 12 15 17 24 2 2 0 .236 .336 .321 .657
As Reliever / Substitution   0 0 0 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000
Close/Late   25 8 1 0 0 1 5 6 5 0 0 0 .320 .452 .360 .812
Inning 1-3   31 11 3 0 1 5 4 3 5 2 1 0 .355 .389 .548 .937
Inning 4-6   35 3 1 0 0 4 3 6 9 0 1 0 .086 .220 .114 .334
Inning 7-9   39 11 2 0 0 3 8 7 9 0 0 0 .282 .391 .333 .725
Extra Innings   1 0 0 0 0 0 0 1 1 0 0 0 .000 .500 .000 .500
0 Outs   36 12 4 0 0 3 8 3 8 1 1 0 .333 .375 .444 .819
1 Outs   43 9 1 0 0 5 5 9 9 1 1 0 .209 .340 .233 .572
2 Outs   27 4 1 0 1 4 2 5 7 0 0 0 .148 .281 .296 .578
Scoring Position   24 6 2 0 0 10 5 8 5 2 2 0 .250 .412 .333 .745
Bases Empty   63 15 3 0 0 0 7 7 16 0 0 0 .238 .314 .286 .600
Runner on 1st   19 4 1 0 1 2 3 2 3 0 0 0 .211 .286 .421 .707
Runner on 2nd   10 2 0 0 0 2 0 2 3 0 1 0 .200 .333 .200 .533
Runner on 3rd   2 1 1 0 0 1 1 1 1 0 0 0 .500 .667 1.000 1.667
Runner on 1st & 2nd   5 0 0 0 0 0 2 5 1 0 1 0 .000 .500 .000 .500
Runner on 1st & 3rd   4 1 0 0 0 2 1 0 0 0 0 0 .250 .250 .250 .500
Runner on 2nd & 3rd   0 0 0 0 0 1 0 0 0 1 0 0 .000 .000 .000 .000
Bases Loaded   3 2 1 0 0 4 1 0 0 1 0 0 .667 .500 1.000 1.500
Two Strikes   76 17 5 0 1 5 11 9 24 0 0 0 .224 .306 .329 .635
First Pitch   6 3 1 0 0 2 1 0 0 0 0 0 .500 .500 .667 1.167
Count 0-1   2 0 0 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000
Count 0-2   14 3 2 0 0 0 1 0 5 0 0 0 .214 .214 .357 .571
Count 1-0   5 1 0 0 0 3 0 0 0 2 1 0 .200 .143 .200 .343
Count 1-1   5 2 0 0 0 1 2 0 0 0 1 0 .400 .400 .400 .800
Count 1-2   18 3 0 0 0 0 2 0 7 0 0 0 .167 .167 .167 .333
Count 2-0   1 0 0 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000
Count 2-1   7 2 0 0 0 1 0 0 0 0 0 0 .286 .286 .286 .571
Count 2-2   20 2 1 0 0 0 2 0 9 0 0 0 .100 .100 .150 .250
Count 3-0   0 0 0 0 0 0 1 5 0 0 0 0 .000 1.000 .000 1.000
Count 3-1   4 0 0 0 0 0 0 3 0 0 0 0 .000 .429 .000 .429
Full Count   24 9 2 0 1 5 6 9 3 0 0 0 .375 .545 .583 1.129
Behind in Count   34 6 2 0 0 0 3 0 12 0 0 0 .176 .176 .235 .412
Ahead in Count   17 3 0 0 0 4 1 8 0 2 1 0 .176 .407 .176 .584
Batting 2nd   3 0 0 0 0 1 0 0 1 1 0 0 .000 .000 .000 .000
Batting 5th   8 4 0 0 0 1 2 1 1 0 0 0 .500 .556 .500 1.056
Batting 6th   10 2 0 0 0 0 2 1 2 0 1 0 .200 .273 .200 .473
Batting 7th   39 9 3 0 1 8 7 10 9 1 0 0 .231 .380 .385 .765
Batting 8th   44 10 3 0 0 2 4 3 11 0 1 0 .227 .277 .295 .572
Batting 9th   2 0 0 0 0 0 0 2 0 0 0 0 .000 .500 .000 .500
Low Leverage   53 10 3 0 0 0 5 6 14 0 0 0 .189 .271 .245 .516
Medium Leverage   37 11 2 0 1 6 9 6 5 1 1 0 .297 .386 .432 .819
High Leverage   16 4 1 0 0 6 1 5 5 1 1 0 .250 .409 .312 .722
CAREER BATTING STATS
Year/Team/League Age G AB H 2B 3B HR RBI R BB HP SF K SB CS AVG OBP SLG OPS OPS+ wRC+ WAR
2014 San Francisco - PBC 22 17 54 9 0 0 0 0 5 12 0 0 13 1 1 .167 .318 .167 .485 36 48 -0.3
2015 San Francisco - PBC 23 85 292 71 10 2 10 36 39 46 1 1 81 3 4 .243 .347 .394 .741 93 96 0.8
2016 El Paso - PBC 24 63 163 38 3 2 3 22 17 24 0 1 49 8 6 .233 .330 .331 .661 79 85 0.0
2017 El Paso - PBC 25 13 26 7 0 0 0 4 1 4 0 0 8 0 0 .269 .367 .269 .636 74 85 0.1
2018 El Paso - PBC 26 1 1 1 0 0 0 0 2 1 0 0 0 0 0 1.000 1.000 1.000 2.000 438 424 0.1
2019 Dallas - PBC 27 68 241 53 6 0 4 17 18 33 1 1 79 9 6 .220 .315 .295 .610 70 74 -0.4
2021 Dallas - PBC 29 64 191 53 5 1 4 22 21 35 0 1 55 5 6 .277 .388 .377 .765 110 116 0.6
2023 Dallas - PBC 31 74 258 62 7 1 2 20 20 31 1 1 64 2 4 .240 .323 .298 .621 73 75 -0.2
Total PBC 385 1226 294 31 6 23 121 123 186 3 5 349 28 27 .240 .340 .331 .671 83 87 0.8
CAREER MINOR LEAGUE BATTING STATS
Year/Team/League Age G AB H 2B 3B HR RBI R BB HP SF K SB CS AVG OBP SLG OPS OPS+ wRC+ WAR
2012 Total - 20 61 261 80 14 2 16 60 72 42 1 0 31 4 3 .307 .405 .559 .964 100 100 2.6
2013 Total - 21 50 209 62 11 1 18 46 61 36 1 2 22 4 3 .297 .399 .617 1.016 100 100 2.4
2014 Huntsville - A 22 17 61 20 3 0 3 6 7 20 0 0 9 4 1 .328 .494 .525 1.018 184 195 1.3
2014 Oakland - AAA 22 52 206 52 8 0 6 25 41 45 1 0 63 1 7 .252 .389 .379 .768 104 112 0.6
2017 Portland - AAA 25 44 161 49 10 1 6 21 28 23 1 2 26 0 0 .304 .390 .491 .881 137 148 1.4
2018 Portland - AAA 26 56 206 42 7 1 2 21 29 42 1 3 47 0 0 .204 .337 .277 .614 63 74 -0.4
2020 San Antonio - AAA 28 57 190 56 10 0 5 32 23 37 1 0 47 7 7 .295 .412 .426 .839 133 133 1.0
2022 San Antonio - AAA 30 54 114 32 6 0 3 20 21 16 0 0 33 1 1 .281 .369 .412 .782 113 118 0.5
2025 Winnipeg - Semi 33 33 106 25 6 0 1 12 15 17 0 2 24 2 2 .236 .336 .321 .657 79 80 -0.4
Total AAA 263 877 231 41 2 22 119 142 163 4 5 216 9 15 .263 .379 .390 .769 107 115
Total A 17 61 20 3 0 3 6 7 20 0 0 9 4 1 .328 .494 .525 1.018 184 195
Total SPBC 33 106 25 6 0 1 12 15 17 0 2 24 2 2 .236 .336 .321 .657 79 80
CAREER POSTSEASON BATTING STATS
Year/Team/League Age G AB H 2B 3B HR RBI R BB HP SF K SB CS AVG OBP SLG OPS OPS+ wRC+ WAR
2016 El Paso - PBC 24 4 5 2 0 0 0 2 2 2 0 0 2 0 0 .400 .571 .400 .971 168 191 0.2
Total PBC 4 5 2 0 0 0 2 2 2 0 0 2 0 0 .400 .571 .400 .971 168 191
CAREER FIELDING STATS
Year/Team/League POS G GS PO A DP TC E PCT INN RNG ZR EFF PB RSTA RTO RTO%
2014 Oakland - AAA 2B 8 8 10 17 2 28 1 .964 71.0 3.42 -0.6 .918
2014 San Francisco - Pro 3B 16 15 5 31 1 36 0 1.000 132.0 2.45 -0.2 1.033
2014 Oakland - AAA 3B 37 37 21 67 7 90 2 .978 344.1 2.30 +0.7 .989
2014 Huntsville - A 3B 17 17 2 32 0 35 1 .971 159.0 1.92 +0.3 .975
2014 San Francisco - Pro SS 0 0 0 0 0 0 0 .000 0.0 0.00 0.0 .000
2014 Oakland - AAA SS 7 7 11 13 3 27 3 .889 61.0 3.54 -2.0 .707
2015 San Francisco - Pro 3B 85 85 66 140 11 213 7 .967 729.2 2.54 -1.0 .983
2016 El Paso - Pro 2B 1 0 0 1 0 1 0 1.000 6.0 1.50 +0.0 1.005
2016 El Paso - Pro 3B 53 47 22 69 3 95 4 .958 367.0 2.23 +0.1 .993
2016 El Paso - Pro SS 1 0 0 0 0 0 0 .000 3.0 0.00 0.0 .000
2017 Portland - AAA 1B 44 44 370 30 34 403 3 .993 377.2 9.53 +0.4 1.045
2017 El Paso - Pro 3B 9 6 4 9 0 13 0 1.000 46.0 2.54 +0.2 .949
2017 Portland - AAA 3B 4 0 1 2 0 3 0 1.000 8.0 3.38 +0.2 1.048
2017 El Paso - Pro SS 0 0 0 0 0 0 0 .000 0.0 0.00 0.0 .000
2017 Portland - AAA SS 2 0 2 4 0 6 0 1.000 5.0 10.80 +0.4 1.076
2018 Portland - AAA 1B 5 0 12 0 1 12 0 1.000 14.0 7.71 +0.1 1.027
2018 El Paso - Pro 2B 1 0 1 1 0 2 0 1.000 2.0 9.00 +0.1 .972
2018 Portland - AAA 3B 55 55 29 113 21 148 6 .959 478.2 2.67 -2.9 .951
2018 Portland - AAA CF 0 0 0 0 0 0 0 .000 0.0 0.00 0.0 .000
2018 Portland - AAA RF 0 0 0 0 0 0 0 .000 0.0 0.00 0.0 .000
2019 Dallas - Pro 3B 38 37 24 75 5 101 2 .980 325.0 2.74 -1.2 .974
2020 San Antonio - AAA 1B 51 50 450 30 34 480 0 1.000 445.2 9.69 +1.8 1.047
2021 Dallas - Pro 1B 29 29 240 18 16 260 2 .992 269.0 8.63 +0.4 1.008
2021 Dallas - Pro 2B 0 0 0 0 0 0 0 .000 0.0 0.00 0.0 .000
2021 Dallas - Pro 3B 33 30 17 54 1 73 2 .973 267.1 2.39 -1.3 .982
2021 Dallas - Pro SS 0 0 0 0 0 0 0 .000 0.0 0.00 0.0 .000
2022 San Antonio - AAA 1B 43 21 224 17 22 243 2 .992 223.2 9.70 +0.3 .986
2022 San Antonio - AAA 2B 0 0 0 0 0 0 0 .000 0.0 0.00 0.0 .000
2022 San Antonio - AAA 3B 5 0 1 4 0 5 0 1.000 12.0 3.75 +0.2 1.047
2022 San Antonio - AAA SS 0 0 0 0 0 0 0 .000 0.0 0.00 0.0 .000
2022 San Antonio - AAA LF 1 1 0 0 0 0 0 .000 9.0 0.00 -0.7 .000
2023 Dallas - Pro 1B 73 70 549 38 36 591 4 .993 612.1 8.63 +2.2 1.038
2023 Dallas - Pro SS 0 0 0 0 0 0 0 .000 0.0 0.00 0.0 .000
2025 Winnipeg - Semi 1B 11 11 93 3 4 97 1 .990 102.2 8.42 +0.0 1.023
2025 Winnipeg - Semi 3B 21 20 8 28 1 40 4 .900 169.2 1.91 -4.1 .868
2025 Winnipeg - Semi SS 1 1 1 2 0 3 0 1.000 9.0 3.00 +0.0 1.048
TOTAL 1B 256 225 1938 136 147 2086 12 .994 2045.0 9.13 +5.2 1.029
TOTAL 2B 10 8 11 19 2 31 1 .968 79.0 3.42 -0.5 .925
TOTAL 3B 373 349 200 624 50 852 28 .967 3038.2 2.44 -9.1 .974
TOTAL SS 11 8 14 19 3 36 3 .917 78.0 3.81 -1.6 .810
TOTAL LF 1 1 0 0 0 0 0 .000 9.0 0.00 -0.7 .000
PLAYER HISTORY
01/01/2013 OSA scouting updated ratings (potential): Contact: 4 (6); Power: 4 (6); Eye: 4 (7).
10/24/2013 Drafted in the 2013 first-year player draft out of college (Azusa Pacific University; Azusa, CA) by the San Francisco Peanuts. (Round 1, Pick 5, 5th overall pick).
01/01/2014 OSA scouting updated ratings (potential): Contact: 4 (6); Power: 4 (6); Eye: 5 (8).
05/07/2014 Successfully completed training to improve his plate discipline at the San Francisco Peanuts development complex.
06/11/2014 Unsuccessfully completed training to improve his defense at third base at the San Francisco Peanuts development complex.
06/12/2014 Named the #3 prospect in the PBC
10/27/2014 Named the #4 prospect in the PBC
11/20/2014 Received a 1-year contract through automatic renewal worth a total of $100,000.
01/01/2015 OSA scouting updated ratings (potential): Contact: 5 (6); Power: 5 (7); Eye: 8 (8).
06/12/2015 Named the #15 prospect in the PBC
08/02/2015 Injured (sprained ankle),day-to-day for 1-2 weeks.
11/20/2015 Received a 1-year contract through automatic renewal worth a total of $100,000.
01/01/2016 OSA scouting updated ratings (potential): Contact: 5 (6); Power: 5 (7); Eye: 7 (7).
05/01/2016 Was traded by the San Francisco Peanuts to the El Paso Diablos, along with 2B Willie Rodriguez, 2B Phil Rasmussen, RP Zeke Smothers, and RP Jared Dickerson, in exchange for 2B Dewey Duggan, 2B Rob Rodriguez, 2B Steve Wells, and 3B Sam Abel.
10/24/2016 Wins the 2016 Pro Circuit Cup with the El Paso Diablos.
11/16/2016 Received a 1-year contract through automatic renewal worth a total of $100,000.
01/01/2017 OSA scouting updated ratings (potential): Contact: 5 (6); Power: 5 (6); Eye: 7 (7).
10/26/2017 Wins the 2017 Pro Circuit Cup with the El Paso Diablos.
11/18/2017 Received a 1-year contract through automatic renewal worth a total of $100,000.
01/01/2018 OSA scouting updated ratings (potential): Contact: 5 (5); Power: 5 (5); Eye: 7 (7).
01/01/2019 OSA scouting updated ratings (potential): Contact: 5 (5); Power: 5 (5); Eye: 7 (7).
05/01/2019 Was traded by the El Paso Diablos to the Dallas Texans, along with $1, in exchange for $1.
06/12/2019 Unsuccessfully completed training to improve his infield defense at the Dallas Texans development complex.
08/07/2019 Injured (sore back),day-to-day for 1 day.
11/19/2019 Received a 1-year contract through automatic renewal worth a total of $100,000.
01/01/2020 OSA scouting updated ratings (potential): Contact: 5 (5); Power: 4 (5); Eye: 7 (7).
01/21/2020 Unsuccessfully completed training to improve his infield defense at the Dallas Texans development complex.
01/01/2021 OSA scouting updated ratings (potential): Contact: 4 (4); Power: 4 (4); Eye: 7 (7).
11/17/2021 Received a 1-year contract through automatic renewal worth a total of $100,000.
01/01/2022 OSA scouting updated ratings (potential): Contact: 4 (4); Power: 4 (4); Eye: 7 (7).
01/01/2023 OSA scouting updated ratings (potential): Contact: 4 (4); Power: 4 (4); Eye: 7 (7).
06/20/2023 Goes 5-6 against the Las Vegas Aces, with 3 RBI and 2 R.
06/26/2023 Wins the PBC WC Player of the Week Award.
07/10/2023 Injured (bruised calf),day-to-day for 4 days.
11/21/2023 Became a free agent.
01/01/2024 OSA scouting updated ratings (potential): Contact: 4 (4); Power: 4 (4); Eye: 7 (7).
01/01/2025 OSA scouting updated ratings (potential): Contact: 4 (4); Power: 4 (4); Eye: 7 (7).
08/01/2025 Signed a 2-year contract worth a total of $29,200 with the Winnipeg Buffaloes organization.
08/25/2025 Injured (neck stiffness),day-to-day for 2 days.
09/18/2025 Released by the Winnipeg Buffaloes.
12/11/2025 Signed a 1-year contract worth a total of $3,300 with the Vacaville Steelheads organization.
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