Arizona Cardinals rookie receiver Marvin Harrison Jr. is having a breakout day, scoring two touchdowns in the first quarter against the Los Angeles Rams. His performance was so explosive that a couple of former NFL players and ESPN analysts immediately chimed in. CLICK HERE to go to PrizePicks and use code ON3 to receive a guaranteed $50 once you play $5 in lineups! “Marvin Harrison Jr with 3 targets early in the game unlike last week,” David Pollack wrote on Twitter. “How’s it going? 2 Tuddies & 83 yards. My fantasy team is thankful. Let’s go!” Added former LSU superstar and current ESPN anal…