With the Penguins’ 2021-22 season coming to a quick ending in the first round of the playoffs, the Tribune-Review will offer Penguins A to Z, a player-by-player look at all 54 individuals signed to an NHL contract – including those whose deals do not begin until the 2022-23 season – with the organization, from mid-level prospect Niclas Almari to top-six winger Jason Zucker.