The first major quarterback battle of NFL training camp season has reportedly been decided with the Minnesota Vikings naming Kyler Murray the starter ahead of J.J. McCarthy, but more competitions are unfolding across the league.The Cleveland Browns, Atlanta Falcons and Las Vegas Raiders have yet to announce a Week 1 starter – though markets have crowned clear favorites in each race. Let’s start with the tightest of the three.Watson is favored vs. Sanders in ClevelandQuarterback%Deshaun Watson79%Shedeur Sanders20%Dillon Gabriel2%Could the starting position in Cleveland be destined for another revolving door? Traders on Kalshi have their money on Deshaun Watson edging Shedeur Sanders out for those rights come Week 1, at least.Coach Todd Monken muddied the waters when he handed Watson the keys to the No. 1 offense on Saturday before returning them to Sanders on Monday, and as The Athletic’s Zac Jackson wrote in a detailed account of the battle earlier this week, it’s not yet clear which (if either) quarterback is pulling away. The first-year head coach maintains he envisions that each will start one of the team’s first two preseason games: at the Chicago Bears this Saturday, then vs. the Buffalo Bills on Aug. 22.