|Date of birth||November 26, 1999|
|Place of birth||Kentville, Nova Scotia, Canada|
|Height||1.78 m (5 ft 10 in)|
|Valley United SC|
|2017||Toronto FC III||1||(0)|
|2018||Black Rock FC||7||(8)|
|2019–||Toronto FC II||15||(2)|
* Senior club appearances and goals counted for the domestic league only and correct as of 21 July 2020|
‡ National team caps and goals correct as of 10 January 2020
Shaffelburg played youth soccer for Valley United SC and Team Nova Scotia, as well as with Manhattan SC where he won U.S. Club Soccer U-16 National Championship in 2016. He played a game with Toronto FC III in League1 Ontario in 2017 League1 Ontario season. Shaffelburg played for the Boys soccer team at Berkshire School in high school. He played an instrumental part in the team, scoring 4 goals in 2 games in the NEPSAC playoffs his senior year (2018), helping Berkshire win their fifth title in 7 years and he was named 2017-18 Gatorade Massachusetts Boys Soccer Player of the Year. He appeared in a friendly for the HFX Wanderers FC Atlantic Selects team in 2018 against Fortuna Düsseldorf's U-21 team, where he scored a goal. He had originally committed to the University of Virginia on a soccer scholarship, but ultimately decided to sign a professional contract instead.
Black Rock FC
Shaffelburg made his first appearance for Toronto FC in the 2019 CONCACAF Champions League on February 19, 2019 and then signed with Toronto FC as a Homegrown Player on June 21, 2019. He made his first MLS appearance the following day, playing 31 minutes against FC Dallas in Frisco, Texas. Four days later on June 26 he had his first start for Toronto FC at BMO Field scoring an assist in a 3-2 win against Atlanta United FC, setting up the fastest goal in TFC history only 29 seconds into the game. Shaffelburg would quickly find himself in the starting lineup shortly after signing, earning rave reviews for his pace from the coaching staff.
Shaffelburg was named to the Canadian U-23 provisional roster for the 2020 CONCACAF Men's Olympic Qualifying Championship on February 26, 2020.
Shaffelburg received his first senior international call-up to Canada on January 3, 2020 for matches against Barbados and Iceland.. On January 10, 2020, he made his debut as a substitute against Barbados.
- As of July 26, 2020
|Toronto FC III||League1 Ontario||2017||1||0||0||0||—||—||—||1||0|
|Black Rock FC||PDL||2018||7||8||0||0||—||—||—||7||8|
|Toronto FC II||USL League One||2019||15||2||—||—||—||—||15||2|
- Knockout Round of the MLS is Back Tournament.
- As of January 16, 2020
|Canada national team|
- Jacob Shaffelburg at the Canadian Soccer Association (also available in French)
- Thompson, Ashley (August 11, 2018). "Living the Dream: 'He has his eyes set on mastery'". Salt Wire Network. Retrieved August 10, 2019.
- "Toronto FC II sign Jacob Shaffelburg". Toronto FC. November 28, 2018. Retrieved May 22, 2020.
- Sigal, Jonathan (June 21, 2019). "Toronto FC sign forward Jacob Shaffelburg to Homegrown Player deal". Major League Soccer. Retrieved June 21, 2019.
- Hayes, Michael (November 19, 2018). "Bears Capture Fifth Soccer Title With 3-1 Win Over Worcester Academy". Berkshire School. Retrieved April 6, 2020.
- "Port Williams' Shaffelburg signs first-team deal with Toronto FC". The Chronicle Herald. Halifax, Nova Scotia. June 21, 2019. Retrieved June 29, 2019.
- Palov, Willy (July 28, 2018). "Wanderers win shootout thriller over Fortuna Dusseldorf". The Chronicle Herald. Archived from the original on July 29, 2018. Retrieved July 28, 2018.
- Grossi, James (November 28, 2018). "TFC II add Shaffelburg ahead of 2019 USL League One season". Waking The Red. Retrieved May 22, 2020.
- Smith, Geoff (July 10, 2018). "Black Rock FC wins PDL Northeast Division title in first season". Berkshire Eagle. Bennington Banner. Retrieved May 22, 2020.
- Palov, Willy (August 1, 2019). "Shaffelburg on soccer fast track with Toronto FC". The Chronice Herald. Retrieved August 2, 2019.
- "Game Detail". Concacaf Champions League. CONCACAF. Retrieved June 29, 2019.
57' - Jacob Shaffelburg enters the pitch for Toronto FC
- Buffery, Steve (June 23, 2019). "Jacob Shaffelburg climbs the ladder and gets his first taste of MLS action". Toronto Sun. Retrieved June 29, 2019.
- Wharnsby, Tim (June 28, 2019). "Nova Scotia teen Jacob Shaffelburg impresses in starting debut for TFC". Toronto Star. pp. S6. Retrieved June 29, 2019.
- Wharnsby, Tim (June 26, 2019). "Toronto FC over Atlanta in a wild ride of late penalty kicks and record fast goals". The Globe and Mail. Toronto. The Canadian Press. Retrieved June 29, 2019.
- Davidson, Neil (August 2, 2019). "Teenage winger Jacob Shaffelburg rapidly making his name at Toronto FC". Toronto Star. Retrieved August 2, 2019.
- "Canada Soccer announces Provisional List for Concacaf Men's Olympic Qualifying". Canada Soccer. February 26, 2020. Retrieved February 26, 2020.
- "Canada Soccer's Men's National Team holds January camp". Canada Soccer. January 3, 2020. Retrieved January 3, 2020.
- "Canadian men's soccer comfortably dispatches Barbados in friendly rematch". CBC. January 10, 2020. Retrieved January 10, 2020.
- Soccerway. "Jacob Shaffelburg profile".
- "TFCIII Statistics". League1 Ontario. Retrieved May 22, 2020.
- "Black Rock FC - Jacob Shaffelburg Stats". USL League 2. Retrieved May 22, 2020.