rick perry donald trump pull up challenge_00002406.jpg
rick perry donald trump pull up challenge_00002406.jpg
Now playing
00:47
Perry on Trump: Let's 'see who can do the most pull-ups'
Former Texas Governor Rick Perry speaks to guests at the Iowa Freedom Summit on January 24, 2015 in Des Moines, Iowa. The summit is hosting a group of potential 2016 Republican presidential candidates to discuss core conservative principles ahead of the January 2016 Iowa Caucuses.
Scott Olson/Getty Images
Former Texas Governor Rick Perry speaks to guests at the Iowa Freedom Summit on January 24, 2015 in Des Moines, Iowa. The summit is hosting a group of potential 2016 Republican presidential candidates to discuss core conservative principles ahead of the January 2016 Iowa Caucuses.
Now playing
01:27
Who is Rick Perry?
rick perry suspends campaign gop presidential race sot_00004611.jpg
rick perry suspends campaign gop presidential race sot_00004611.jpg
Now playing
02:31
Rick Perry suspends presidential campaign
Perry paying campaign staff interview camerota Newday _00002720.jpg
Perry paying campaign staff interview camerota Newday _00002720.jpg
Now playing
01:36
Is Rick Perry running out of money?
rick perry guns movie theater sot SOTU tapper_00000000.jpg
rick perry guns movie theater sot SOTU tapper_00000000.jpg
Now playing
02:13
Rick Perry talks guns, Lafayette theater shooting
rick perry guns movie theater sot SOTU tapper_00000000.jpg
rick perry guns movie theater sot SOTU tapper_00000000.jpg
Now playing
03:36
Perry on Trump: We need real solutions, not reality TV
Former Texas Governor and Republican presidential candidate Rick Perry addresses the National Press Club Luncheon July 2, 2015 in Washington, D.C.
Chip Somodevilla/Getty Images
Former Texas Governor and Republican presidential candidate Rick Perry addresses the National Press Club Luncheon July 2, 2015 in Washington, D.C.
Now playing
05:43
Perry Sounds Populist Note on Economy
rick perry securing the border donald trump intv tsr _00024725.jpg
rick perry securing the border donald trump intv tsr _00024725.jpg
Now playing
03:14
Rick Perry: I know how to secure the border
Former Texas Governor Rick Perry speaks to guests at the Iowa Freedom Summit on January 24, 2015 in Des Moines, Iowa. The summit is hosting a group of potential 2016 Republican presidential candidates to discuss core conservative principles ahead of the January 2016 Iowa Caucuses.
Scott Olson/Getty Images
Former Texas Governor Rick Perry speaks to guests at the Iowa Freedom Summit on January 24, 2015 in Des Moines, Iowa. The summit is hosting a group of potential 2016 Republican presidential candidates to discuss core conservative principles ahead of the January 2016 Iowa Caucuses.
Now playing
02:15
Perry Touts 'Smart on Crime' Strategy
Ashley Codianni
Now playing
03:28
To understand Rick Perry, you need to meet his wife
SOTU Tapper: Perry on deploying troops: 'I know the cost of war'_00011315.jpg
SOTU Tapper: Perry on deploying troops: 'I know the cost of war'_00011315.jpg
Now playing
01:58
Perry on deploying troops: 'I know the cost of war'
sotu bash rick perry boots on the ground isis_00001806.jpg
sotu bash rick perry boots on the ground isis_00001806.jpg
Now playing
01:43
Perry: We should have boots on the ground to fight ISIS
hambycast peter hamby rick perry tailgates orig_00003426.jpg
hambycast peter hamby rick perry tailgates orig_00003426.jpg
Now playing
01:56
Up close with Rick Perry's Hail Mary
sotu bash rick perry country rap campaign song_00000505.jpg
sotu bash rick perry country rap campaign song_00000505.jpg
Now playing
00:47
Rick Perry's country rap song
tsr pkg griffin rick perry indictment_00001104.jpg
Travis County Sheriff's Office
tsr pkg griffin rick perry indictment_00001104.jpg
Now playing
06:15
Does Gov. Perry's indictment hold water?
(CNN) —  

The war of words between businessman Donald Trump and former Texas Gov. Rick Perry reached the jungle gym on Wednesday, when Perry challenged Trump to a pull-up contest.

“Let’s get a pull-up bar out there and let’s see who can do the most pull-ups,” said Perry, once an Air Force captain, when asked by a reporter if he had any message for Trump.

Perry, who governed Texas with a trademark swagger and bravado for 14 years, made the remark after a speech dedicated to Wall Street reform at the Yale Club in New York on Wednesday.

Trump predicts Clinton flameout

Perry has emerged as one of the fiercest critics of Trump, who currently leads polling in the Republican field, even calling for the real estate mogul to drop out of the race.

Trump has returned fire, questioning Perry’s ability to secure the border as governor and saying that he doesn’t have the intelligence required to for the presidency.

Perry and his aides have needled Trump for what they see as a mismatch between his tough talk and his tony, cosmopolitan image. On Wednesday, Perry’s senior strategist in Iowa, Bob Haus, used Twitter to note what Trump wore when he visited the Texas-Mexico border earlier this month.

“This is what a Manhattan ‘tough guy’ wears to the southern border,” Haus tweeted. “White golf shoes and a linen jacket.”

Donald Trump vs. Rick Perry: The social media battlefront