These 4 horses may stun Gun Runner at Pegasus World Cup

Gun Runner will not win Saturday’s $16 million Pegasus World Cup.
Yes, the 2017 Horse of the Year is the 4-5 morning-line favorite. He’s won six of his past seven races, five of them Grade 1 stakes. He is the best North American horse in training as he prepares to make the final start of his brilliant career.
I get all that.
It’s not even the disadvantageous No. 10 post position he drew Wednesday that makes me want to take a stand against him. He’s got the tactical speed