Sparky Anderson once told me he didn’t believe in anything he saw on the field until June 1. Only after two months of baseball could he have confidence a player or team’s performance was legitimate.

With June just around the corner, there are several teams and players who I believe and don’t believe in. Last week I wrote about how the Seattle Mariners have what it takes to contend all season. Then Monday I wrote about how the Cleveland Indians can’t even be considered as a wild-card contender unless they acquire more pitching help. In that same vein, here are five other performances I think will either hold up for the rest of the season or won’t.