His goal-kicking radar also appears to be on as he finished the first round of the competition on 113 points, despite being first choice kicker in only seven of the nine games.
Casey, who has just turned 21, said he had no idea how many points he had racked up.
''It's not something I keep a track of. To me it is all about the team and how they are going. If I'm playing well and the team is winning, then you've got to be happy,'' he said.
His goalkicking has been top of the line and he puts that down to doing three solid sessions a week.
Casey was not the preferred goal kicker at the start of the season and Highlanders pivot Hayden Parker kicked the goals for Taieri in the first couple of games.
But Parker was called back into the Highlanders, has now succumbed to a shoulder injury and is out for the season.
Casey has stepped into his shoes but does not have a lot of experience to call on from playing in the inside backs.
''When I was at school [Otago Boys' High School] I was a bit of a halfback and then in the midfield. For the first XV I was on the wing and at fullback''I only started playing first five-eighth when I came out here.''
His efforts have obviously caught the eye and Casey has been called into the Otago squad over the past couple of weeks to train during the week.
With Parker out for the season and Peter Breen only just now due back from a foot injury, there is an opening in the first five-eighth position in Otago.
Casey, who is a personal trainer at Body Synergy, said it was great to be included in the squad but at the moment it was just one step at a time.
''The first goal obviously is to win the banner again with Taieri. We're not going too bad and we are getting some players back.
''James Lentjes was back this week, Brodie Hume [knee] is not far away and Mike Collins [hand] is still a fair way away, but should make it back for the finals.''
Casey was taking a simple ''see what happens'' on whether he will make the Otago ITM Cup side.