Eminem brought 50 Cent to watch the Detroit Pistons and Cleveland Cavaliers go head-to-head in the second round of the NBA Playoffs. On Wednesday, the two rappers were spotted together courtside, where they watched the teams face off in Game 5 of the Eastern Conference Semifinals. Rounding out the crew was Eminem's longtime manager Paul Rosenberg and rapper Denaun Porter, Eminem's on-stage hype man. According to The Detroit News, Eminem and 50 Cent previously sat courtside in 2005, when the Pistons played the San Antonio Spurs during the NBA Finals. The pair go way back, with the Detroit native signing 50 to Shady Records in 2002, under the guidance of Dr. Dre. 50’s debut album, 2003’s Get Rich or Die Tryin' , was a massive breakthrough for him, moving over 872,000 copies in its first week of sales and debuting at No. 1 on the Billboard 200 albums chart. The album also spawned the No.…