Breaking down the Cardinals' salary cap: Special teams

TEMPE, Ariz. -- Teams have less than a month to get their top 51 salaries under the 2015 salary cap, which has yet to be determined, by March 10, when the new league year begins.

The Arizona Cardinals' top 51 salaries are currently worth $148.9 million, with four players --Larry Fitzgerald, Patrick Peterson, Calais Campbell and Carson Palmer -- eating up 45.4 percent of that sum.

Over the past 11 days, the Cardinals' salary-cap situation was broken down here by position. This is the last position in that series.

Chandler Catanzaro

Cap hit: $510,500

Final season under contract: 2016

Cash value: $510,000

Notes: Catanzaro received a $1,500 signing bonus as a rookie in 2014.

Dave Zastudil

Cap hit: $1.6 million

Final season under contract: 2015

Cash value: $1.4 million

Notes: Zastudil, who’ll be an unrestricted free agent after the season, will earn a $105,000 roster bonus if he’s on the 53-man roster in Week 1 and will also earn $5,000 for every game on the 53-man roster, with a maximum value of $80,000.

Drew Butler

Cap hit: $585,000

Final season under contract: 2015

Cash value: $585,000

Notes: The Cardinals would save $585,000 against the cap should they cut Butler.

Currently not signed for 2015: Mike Leach