BURTON-UPON-TRENT, ENGLAND - MARCH 21: Jermain Defoe of England signals as he warms up with team mates during an England training session at St Georges Park on March 21, 2017 in Burton-upon-Trent, England. (Photo by Gareth Copley/Getty Images)
BURTON-UPON-TRENT, ENGLAND - MARCH 21: Jermain Defoe of England signals as he warms up with team mates during an England training session at St Georges Park on March 21, 2017 in Burton-upon-Trent, England. (Photo by Gareth Copley/Getty Images)