J.A. Happ and the Blue Jays are on a collision course.

The 30-year-old left-hander who was acquired last year from Houston has grown frustrated with his lot in life in his short stint with the Jays.

Following the additions of Josh Johnson, Mark Buehrle and R.A. Dickey in off-season trades, the Jays entered camp with a set rotation of the above three plus Ricky Romero and Brandon Morrow.

The Jays say that Happ, a starter the majority of his major-league career, could end up as their long man in the bullpen but most likely will be shipped to triple-A Buffalo as depth for the rotation in the event that something untoward happens to the starting five.

It is an unappealing situation for Happ and he didn’t shoot down the suggestion following his start against the Yankees on Sunday that he could end up asking the Jays to trade him as a way out.

“Anything is possible but I’m not necessarily thinking about that right at this moment,” Happ replied when asked about a trade request. “I need to build myself up to where I’m comfortable and have some success and then we’ll see.”

Happ clearly views himself as a bona-fide starter in the big leagues. In his major-league career he has appeared in 116 games, 96 of them as a starter. In 2011 he made 28 starts with Houston where he went 6-15 with a 5.35 ERA. Last season he was 7-9 with a 4.83 ERA in 18 starts with the Astros.

After being acquired by the Jays he was shifted to the bullpen where he made four appearances and was clearly unhappy with the development.

When he moved back into a starting role with the Jays, in six starts went 3-2 with a 4.59 ERA. His season ended following a Sept. 3 start when he fractured his right foot.