By Alan Smith David Moyes wants Jarrod Bowen to become the first West Ham player to score 20 goals in a Premier League season. But after his hat-trick against Brentford on Monday earned the Hammers a much-needed first win of 2024, Moyes claims the England international is “still learning his trade” as a centre forward. Bowen has thrived since being moved in from the wing earlier this season and has already contributed 14 league goals – two behind Paolo Di Canio’s club-leading 16 in 1999/00. Tony Cottee is the last West Ham player to hit 20 in a top-flight campaign, back in 1986/87. And ahead o…