The most common and most likely answer to this crossword clue is the 6 letter word BUSKER
B
U
S
K
E
R
Buddy explains!
The straight part
We know that "player in street" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case player in street = busker.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does BUSKER mean?
BUSKER noun- A person who makes money by passing the hat (soliciting donations) while entertaining the public (often by playing a musical instrument) on the streets or in other public area such as a park or market.