England captain became the first player to net four hat-tricks in a debut Bundesliga season
Leverkusen are closing in to secure Bundesliga title
Forward scores twice to help his side break three-match losing streak with 2-1 win over RB Leipzig
Club management announced coach would part ways at end of season
German left-back won 86 caps and played for clubs such as Bayern and Inter
He scored from the spot in the 69th minute in Rome
Thomas Tuchel's side were humbled by an outstanding Leverkusen on Saturday
Striker scores his 24th Bundesliga goal to equal a club record as the highest scorer in a debut season
Tuchel’s side suffer embarrassing defeat against Frankfurt in their first league game
Reigning champions sit three points behind Leverkusen with game in hand