MLB's April Heroes and Letdowns: A Comprehensive Review

Catcher All-Star: Cal Raleigh of the Seattle Mariners has been a power producer with 10 home runs, starting every game. Player to watch: Carson Kelly of the Chicago Cubs is hitting exceptionally well with an impressive OPS. Disappointment: Adley Rutschman of the Baltimore Orioles has struggled since Opening Day.

First base All-Star: Pete Alonso of the New York Mets is having a blazing start. Player to watch: Nick Kurtz and Tyler Soderstrom of the Athletics show promise. Disappointment: Vladimir Guerrero Jr. of the Toronto Blue Jays has underperformed.

And so on for each position...