As Arkansas looks to replace starting quarterback KJ Jefferson, the Razorbacks turn to transfer portal addition Taylen Green out of Boise State. Green has two years worth of valuable experience under his belt and will arrive in the SEC looking to prove his mettle. But the addition hasn’t been without its tweaks for the Razorbacks. Green came in with some raw mechanics, something offensive coordinator Bobby Petrino noticed and immediately went to work fixing. “Yeah I think he’s made tremendous strides,” Petrino said on Tuesday. “He did a really nice job in the summer on working on his technique…