The Diamondbacks have momentum, having swept the Cubs and the Giants. The Diamondbacks are strongly competing for a NL wild card. They are highly motivated to play their best to reach the post-season.
The Yankees are in fourth place in the AL East. They are 8 games out of the AL wild card race.
Advantage Diamondbacks with better momentum.
Rookie Players Matter.
The Yankees’ roster included 9 players with almost no playing time in the Majors (MLB) prior to this season. The Diamondbacks roster included 7 such players.