Only Alan Shearer ( 23 ) and Frank Lampard ( 21 ) have more in PL history during this month .
Jermain Defoe has scored 20 Premier League goals in January .
Only Alan Shearer ( 23 ) and Frank Lampard ( 21 ) have more in Premier League history during this month .
Jermain Defoe has scored 20 Premier League goals in January .