Try to read very good writer about football players? (5,4)

'try to read' is the definition.
(as in steaming open an envelope)

'very good writer about football players?' is the wordplay.
'very good' becomes 'so' (as in the adjectival form 'just so!').
'writer' becomes 'pen' (something which writes).
'about' indicates putting letters inside.
'football players?' becomes 'team' (football team).
'so'+'pen'='sopen'
'sopen' enclosing 'team' is 'STEAM OPEN'.