What does the cryptic crossword clue "Stop big name in NYC sport making a comeback (4)" mean?

The definition is "Stop". The wordplay uses a reversal. METS (reversal="METS") = STEM; definition: "Stop" The answer is STEM.

Stop big name in NYC sport making a comeback (4)

Times Cryptic #29067 | 16 Across | 2024-11-06 flower