Former Nigeria youth international Odion Ighalo is the leading marksman in the top four divisions in England in 2015.<br /><br />His brace in Watford&rsquo;s 3 - 0 defeat of Rotherham United on Tuesday night took his tally for 2015 to 13, and 17 goals cumulatively since the start of the 2014 - 2015 campaign. <br /><br />With 13 matches to go before the end the regular season, everything indicates that the ex Lyn Oslo and Udinese man will break his personal record of 17 goals in a single season.<br /><br />Odion Ighalo set the benchmark during the 2009 - 2010 season while playing for Granada, who were then in the third - tier of Spanish football.<br /><br />Against Rotherham United yesterday, the 25 - year - old first scored in the 18th minute before adding a second 11 minutes after the interval.<br /><br /><br /><br /><br />