Red Sox Designate Veteran Pitcher Rich Hill for Assignment

Boston recalls top prospect Luis Guerrero as the 44-year-old Hill exits after a brief stint this season.

Rich Hill, 44, was the oldest active MLB player and appeared in a game for 20 consecutive seasons.
Hill's career includes a 4.01 ERA over 386 games with 13 different teams.
Luis Guerrero, 24, has been promoted to the major league roster, bringing a strong minor league performance.
Guerrero has a 3.31 ERA and 79 strikeouts in 42 games with Triple-A Worcester this season.
The Red Sox are currently struggling, sitting 5.5 games behind the final AL wild-card spot.