Having your starting catcher hit the disabled list with a hamstring injury is never a good thing, but the Cubs are in a decent position to let him fully heal because of Avila's presence.
No MLB team wants to lose their starting catcher to injury. While many backstops don't provide a ton of offense -- the league-average hitting numbers at the position this season include a .245/.314/.407 triple slash and 88 wRC+ -- they play a huge part in the success or failure of a pitching staff. And when they do provide above-average offense,
That's probably how the Chicago Cubs felt when their incumbent starter and budding star, Willson Contreras, hit the disabled list with a hamstring injury.