Answer:

stabler

Answer	Crossword Clue
STABLER	Even-tempered
STABLER	Former quarterback Ken
STABLER	Less likely to collapse

STABLER	More steady.
STABLER	Ex-quarterback Ken ...
STABLER	Quarterback Ken
STABLER	Carer for horses
STABLER	Quarterback known as "The Snake"
STABLER	Raider QB legend
STABLER	Less changing
STABLER	Better balanced

STABLER	He puts up ponies