The Tigers have one, maybe two, spots open for competition in the bullpen this spring.

Jose Valverde has the closer's role nailed down, and Joaquin Benoit returns as the primary setup guy in Jim Leyland's seven-man bullpen.

Octavio Dotel was signed to help out in the seventh and eighth innings, with Phil Coke and Daniel Schlereth providing left-handed options. That's five seats filled.

You'd have to presume Collin Balester, brought over from Washington in a trade for Ryan Perry, has the inside track for the sixth spot, or why else would Detroit have given up a hard-thrower such as Perry? Balester is out of options, one of the reasons the Nationals traded him, another factor working in his favor.

Still, Balester needs to show in the spring he can be a reliable...