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Google Trends
6/10

Bullpen Brief

A fantasy-baseball assistant that tracks every MLB starter's recent quality starts, bullpen usage, and upcoming matchup difficulty, then surfaces waiver-wire streamers and trade targets with one-line reasoning each morning.

Target user

Active fantasy-baseball players in head-to-head or rotisserie leagues making weekly lineup decisions

Features
  • Daily waiver-wire digest ranked by next-7-day matchup quality
  • Streamer suggestions for empty rotation slots in head-to-head leagues
  • Quality-start streak tracker and per-pitcher momentum scores
  • Trade analyzer comparing recent 14-day performance and schedule strength
Why now

Luis Castillo's trending quality start is a textbook example of the kind of mid-season decision fantasy players face daily, and MLB is mid-season when waiver-wire pickups swing the most weekly matchups.

Signals · overall 6/10
Demand
6/10

Established daily/weekly waiver-wire workflow already served by FantasyPros, RotoBaller, MSN streamers column, RotoWire, FTN, and FantasySP — confirming real demand, but traffic is split across many incumbents rather than concentrated on a single tool.Fantasy Baseball Waiver Wire Assistant | FantasyProsFantasy Sports Assistant

Whitespace
5/10

The bullpen-usage + quality-start-streamer combination is a clear underexplored angle (targeted search returned 0 dedicated tools), but the broader daily-streamer assistant category is crowded with FantasyPros, RotoWire, RotoBaller, FTN and FantasySP — leaving only a narrow niche differentiator.Premium Fantasy Baseball Tools: Lineup Assistant, Optimizer, Team SyncPricing Page | FTN

Monetization
7/10

Strong willingness to pay evidenced by RotoWire's ~$200/yr premium tiers, FantasyPros premium subscriptions, and RotoBaller/FTN/Rotogrinders all monetizing in-season tools at similar price points.Subscribe To RotoWirePremium Subscription Prices and Plans | Upgrade at FantasyPros

Longevity
7/10

MLB has been an entrenched fantasy market for 25+ years with durable subscription incumbents (RotoWire since late 90s), but peak demand is seasonal (~6 months/year) limiting year-round ARPU.Subscribe To RotoWire

Feasibility
7/10

Buildable with public MLB data feeds (Stats API, Baseball Savant/Statcast) plus standard mobile/web stack; bullpen usage and quality-start derivations are straightforward SQL/aggregation logic.Fantasy Baseball Waiver Wire Assistant | FantasyPros

luis castillo · 200+ searches · CAGoogle Trends · 2026-07-04 (21d ago)