Jason Kelce appears to still be sour after a guard couldn’t control his laughter when someone made a comment about who the ‘good-looking brother’ is out of him and Travis. Most siblings have some sort of rivalry or competition, especially when they are close in age. It’s quite common in some family dynamics, and you can’t get more competitive than Jason Kelce and Travis both playing in the NFL but for different teams. Travis Kelce is a tight end for the Kansas City Chiefs, whereas Jason is a center for the Philadelphia Eagles. The brothers are just two years apart, Jason was born in 1987 and b…