Mac Williamson
Johnathan Mackensey Williamson
Born: July 15, 1990
Jacksonville, FL US
Primary Position: Outfield
All Position(s) Played: LF, RF
Bats: Right
Throws: Right
Height: 6'4"
Weight: 237
Draft: Round 46 (2011 June Amateur Draft, Boston Red Sox)
Draft: Round 3 (2012 June Amateur Draft, San Francisco Giants)
School: Wake Forest
Career: 2012-2019
Major League Statistics
Mac Williamson compiled a career batting average of .284 with 99 home runs and 378 RBI in his 906-game career with the Giants, Salem-Keizer Volcanoes, San Jose Giants, Scottsdale Scorpions, Richmond Flying Squirrels, Sacramento River Cats and Tacoma Rainiers. He began playing during the 2012 season and last took the field during the 2019 campaign.
 Giants |
 Salem-Keizer Volcanoes |
 San Jose Giants |
 Richmond Flying Squirrels |
 Sacramento River Cats |
 Scottsdale Scorpions |
 Tacoma Rainiers |
Click on column headings to sort.
Batting:
| Year | Level | Lg | Team | GP | PA | AB | R | H | 2B | 3B | HR | RBI | SB | CS | BB | SO | BA | OBP | SLG | OPS | TB | DP | HBP | SH | SF | IBB |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2012 | R | ARIZ | Giants | 4 | 19 | 17 | 4 | 3 | 0 | 0 | 2 | 7 | 0 | 0 | 2 | 5 | .176 | .263 | .529 | .793 | 9 | 1 | 0 | 0 | 0 | 0 |
| 2012 | Short Season A | NORW | Salem-Keizer Volcanoes | 29 | 125 | 114 | 22 | 39 | 8 | 0 | 7 | 25 | 0 | 0 | 6 | 19 | .342 | .392 | .596 | .988 | 68 | 6 | 4 | 0 | 1 | 0 |
| 2013 | Advanced A | CALL | San Jose Giants | 136 | 597 | 520 | 94 | 152 | 31 | 2 | 25 | 89 | 10 | 1 | 51 | 132 | .292 | .375 | .504 | .879 | 262 | 13 | 21 | 0 | 5 | 3 |
| 2014 | Advanced A | CALL | San Jose Giants | 23 | 100 | 85 | 16 | 27 | 7 | 0 | 3 | 11 | 6 | 1 | 13 | 14 | .318 | .420 | .506 | .926 | 43 | 3 | 2 | 0 | 0 | 0 |
| 2015 | AA | EL | Richmond Flying Squirrels | 69 | 290 | 259 | 41 | 76 | 16 | 2 | 5 | 42 | 3 | 1 | 25 | 53 | .293 | .366 | .429 | .794 | 111 | 8 | 5 | 0 | 1 | 4 |
| 2015 | Fall | AZFL | Scottsdale Scorpions | 19 | 86 | 73 | 15 | 27 | 3 | 0 | 2 | 14 | 1 | 2 | 11 | 11 | .370 | .442 | .493 | .935 | 36 | 1 | 0 | 0 | 2 | 0 |
| 2015 | AAA | PCL | Sacramento River Cats | 54 | 227 | 189 | 35 | 47 | 12 | 0 | 8 | 31 | 1 | 0 | 26 | 55 | .249 | .370 | .439 | .809 | 83 | 3 | 11 | 0 | 1 | 1 |
| 2016 | AAA | PCL | Sacramento River Cats | 54 | 226 | 208 | 35 | 56 | 14 | 0 | 11 | 42 | 2 | 1 | 12 | 53 | .269 | .314 | .495 | .809 | 103 | 7 | 3 | 0 | 3 | 3 |
| 2017 | AAA | PCL | Sacramento River Cats | 94 | 382 | 352 | 54 | 86 | 21 | 0 | 14 | 50 | 4 | 1 | 25 | 100 | .244 | .301 | .423 | .724 | 149 | 9 | 4 | 0 | 1 | 0 |
| 2017 | Advanced A | CALL | San Jose Giants | 2 | 7 | 6 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | .167 | .286 | .167 | .452 | 1 | 0 | 0 | 0 | 0 | 0 |
| 2018 | AAA | PCL | Sacramento River Cats | 52 | 215 | 182 | 31 | 49 | 7 | 1 | 13 | 44 | 1 | 0 | 23 | 44 | .269 | .372 | .533 | .905 | 97 | 4 | 8 | 0 | 2 | 1 |
| 2019 | AAA | PCL | Tacoma Rainiers | 2 | 8 | 8 | 0 | 2 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | .250 | .250 | .375 | .625 | 3 | 0 | 0 | 0 | 0 | 0 |
| 2019 | AAA | PCL | Sacramento River Cats | 23 | 98 | 82 | 23 | 31 | 4 | 0 | 9 | 22 | 1 | 0 | 13 | 25 | .378 | .459 | .756 | 1.215 | 62 | 1 | 1 | 0 | 2 | 1 |
| Totals | 561 | 2380 | 2095 | 371 | 596 | 124 | 5 | 99 | 378 | 29 | 7 | 208 | 516 | .284 | .363 | .490 | .853 | 1027 | 56 | 59 | 0 | 18 | 13 |
Fielding:
| Year | Level | Lg | Team | Pos | GP | PO | A | E | DP | Fld% | RF/G |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2012 | Short Season A | NORW | Salem-Keizer Volcanoes | OF | 23 | 37 | 3 | 1 | 2 | .976 | 1.739 |
| 2012 | Short Season A | NORW | Salem-Keizer Volcanoes | RF | 23 | 37 | 3 | 1 | 2 | .976 | 1.739 |
| 2012 | R | ARIZ | Giants | OF | 2 | 5 | 0 | 0 | 0 | 1.000 | 2.500 |
| 2012 | R | ARIZ | Giants | RF | 2 | 5 | 0 | 0 | 0 | 1.000 | 2.500 |
| 2013 | Advanced A | CALL | San Jose Giants | OF | 115 | 216 | 15 | 7 | 5 | .971 | 2.009 |
| 2013 | Advanced A | CALL | San Jose Giants | RF | 115 | 216 | 15 | 7 | 5 | .971 | 2.009 |
| 2015 | AA | EL | Richmond Flying Squirrels | OF | 55 | 109 | 4 | 2 | 1 | .983 | 2.055 |
| 2015 | AA | EL | Richmond Flying Squirrels | RF | 55 | 109 | 4 | 2 | 1 | .983 | 2.055 |
| 2015 | AAA | PCL | Sacramento River Cats | OF | 46 | 86 | 1 | 3 | 0 | .967 | 1.891 |
| 2015 | AAA | PCL | Sacramento River Cats | LF | 30 | 51 | 0 | 1 | 0 | .981 | 1.700 |
| 2015 | Fall | AZFL | Scottsdale Scorpions | RF | 2 | 0 | 0 | 0 | 0 | .000 | |
| 2015 | Fall | AZFL | Scottsdale Scorpions | OF | 19 | 21 | 4 | 0 | 0 | 1.000 | 1.316 |
| 2015 | Fall | AZFL | Scottsdale Scorpions | LF | 17 | 21 | 4 | 0 | 0 | 1.000 | 1.471 |
| 2015 | AAA | PCL | Sacramento River Cats | RF | 16 | 35 | 1 | 2 | 0 | .947 | 2.250 |
| 2016 | AAA | PCL | Sacramento River Cats | OF | 48 | 83 | 3 | 1 | 0 | .989 | 1.792 |
| 2016 | AAA | PCL | Sacramento River Cats | LF | 25 | 46 | 1 | 1 | 0 | .979 | 1.880 |
| 2016 | AAA | PCL | Sacramento River Cats | RF | 23 | 37 | 2 | 0 | 0 | 1.000 | 1.696 |
| 2017 | AAA | PCL | Sacramento River Cats | OF | 79 | 121 | 5 | 7 | 1 | .947 | 1.595 |
| 2017 | AAA | PCL | Sacramento River Cats | RF | 56 | 92 | 3 | 6 | 1 | .941 | 1.696 |
| 2017 | AAA | PCL | Sacramento River Cats | LF | 27 | 29 | 2 | 1 | 0 | .969 | 1.148 |
| 2017 | Advanced A | CALL | San Jose Giants | LF | 1 | 0 | 0 | 0 | 0 | .000 | |
| 2017 | Advanced A | CALL | San Jose Giants | OF | 1 | 0 | 0 | 0 | 0 | .000 | |
| 2018 | AAA | PCL | Sacramento River Cats | OF | 44 | 84 | 3 | 1 | 1 | .989 | 1.977 |
| 2018 | AAA | PCL | Sacramento River Cats | RF | 31 | 58 | 2 | 1 | 1 | .984 | 1.935 |
| 2018 | AAA | PCL | Sacramento River Cats | LF | 13 | 26 | 1 | 0 | 0 | 1.000 | 2.077 |
| 2019 | AAA | PCL | Sacramento River Cats | LF | 7 | 8 | 2 | 0 | 1 | 1.000 | 1.429 |
| 2019 | AAA | PCL | Sacramento River Cats | OF | 18 | 27 | 2 | 1 | 1 | .967 | 1.611 |
| 2019 | AAA | PCL | Sacramento River Cats | RF | 11 | 19 | 0 | 1 | 0 | .950 | 1.727 |
| 2019 | AAA | PCL | Tacoma Rainiers | LF | 1 | 2 | 0 | 0 | 0 | 1.000 | 2.000 |
| 2019 | AAA | PCL | Tacoma Rainiers | OF | 1 | 2 | 0 | 0 | 0 | 1.000 | 2.000 |
| Totals | 906 | 1582 | 80 | 46 | 22 | .973 | 1.834 |
Minor League Service:
| Year | Level | League | Team | Affiliation | First Appearance | Final Appearance |
|---|---|---|---|---|---|---|
| 2012 | R | Arizona League | Giants | SFN | July 18, 2012 | July 22, 2012 |
| 2012 | Short Season A | Northwest League | Salem-Keizer Volcanoes | SFN | July 24, 2012 | September 1, 2012 |
| 2013 | Advanced A | California League | San Jose Giants | SFN | April 4, 2013 | September 2, 2013 |
| 2014 | Advanced A | California League | San Jose Giants | SFN | April 3, 2014 | April 26, 2014 |
| 2015 | AA | Eastern League | Richmond Flying Squirrels | SFN | April 9, 2015 | June 25, 2015 |
| 2015 | AAA | Pacific Coast League | Sacramento River Cats | SFN | June 26, 2015 | September 7, 2015 |
| 2015 | Fall | Arizona Fall League | Scottsdale Scorpions | October 14, 2015 | November 18, 2015 | |
| 2016 | AAA | Pacific Coast League | Sacramento River Cats | SFN | April 7, 2016 | August 30, 2016 |
| 2017 | Advanced A | California League | San Jose Giants | SFN | April 19, 2017 | April 20, 2017 |
| 2017 | AAA | Pacific Coast League | Sacramento River Cats | SFN | April 22, 2017 | September 2, 2017 |
| 2018 | AAA | Pacific Coast League | Sacramento River Cats | SFN | April 5, 2018 | August 7, 2018 |
| 2019 | AAA | Pacific Coast League | Sacramento River Cats | SFN | April 6, 2019 | May 6, 2019 |
| 2019 | AAA | Pacific Coast League | Tacoma Rainiers | SEA | July 20, 2019 | July 21, 2019 |
Persons data from the Chadwick Baseball Bureau are Copyright Chadwick Baseball Bureau, and are made available under the Open Data Commons Attribution License.
