Mariano Rivera�ties Eric Gagne’s major league mark when he gets his�51st consecutive save at home, working a perfect ninth inning in the Yankees’ 6-4 victory over Chicago.�The Panamanian closer also fans two batters to move ahead of Roger Clemens for 10th on the team’s all-time strikeout list with 1,015.

With more than twenty-five percent of its membership born outside of the United States, the Major League Baseball players’ union issues a statement condemning Arizona’s new law that requires proof of identity be shown to any state or local official who is suspicious of a person’s immigration status. Michael Weiner, the head of the MLBPA, said the organization would consider “additional steps” if the edict is not repealed or modified.

Off-season prize acquisition Cliff Lee finally makes his first start for the Seattle Mariners. He is masterful, giving up no runs on 3 hits while striking out 8 in 7 innings, but the Rangers’ Colby Lewis is just as brilliant as the scoreless tie extends to the 12th inning. Elvis Andrus eventually scores the winning run on a wild pitch by Brandon League, as Texas wins, 2 – 0.

Scott Sizemore and Brennan Boesch both hit their first major league home run in the 4th inning as Detroit beats the Angels, 10 – 6. Another rookie, Austin Jackson, goes 5 for 5 for Detroit. Sizemore’s dinger follows one by Gerald Laird, while Boesch’s is a grand slam during the 8-run inning.